16207664080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:917

約数の個数: 120

約数和(自身を含む): 38888082432

約数和(自身を除く): 22680418352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 191, 205, 328, 382, 410, 631, 656, 764, 820, 955, 1262, 1528, 1640, 1681, 1910, 2524, 3056, 3155, 3280, 3362, 3820, 5048, 6310, 6724, 7640, 7831, 8405, 10096, 12620, 13448, 15280, 15662, 16810, 25240, 25871, 26896, 31324, 33620, 39155, 50480, 51742, 62648, 67240, 78310, 103484, 120521, 125296, 129355, 134480, 156620, 206968, 241042, 258710, 313240, 321071, 413936, 482084, 517420, 602605, 626480, 642142, 964168, 1034840, 1060711, 1205210, 1284284, 1605355, 1928336, 2069680, 2121422, 2410420, 2568568, 3210710, 4242844, 4820840, 4941361, 5137136, 5303555, 6421420, 8485688, 9641680, 9882722, 10607110, 12842840, 16971376, 19765444, 21214220, 24706805, 25685680, 39530888, 42428440, 49413610, 79061776, 84856880, 98827220, 197654440, 202595801, 395308880, 405191602, 810383204, 1012979005, 1620766408, 2025958010, 3241532816, 4051916020, 8103832040, 16207664080]

約数ペア:

[(1, 16207664080), (2, 8103832040), (4, 4051916020), (5, 3241532816), (8, 2025958010), (10, 1620766408), (16, 1012979005), (20, 810383204), (40, 405191602), (41, 395308880), (80, 202595801), (82, 197654440), (164, 98827220), (191, 84856880), (205, 79061776), (328, 49413610), (382, 42428440), (410, 39530888), (631, 25685680), (656, 24706805), (764, 21214220), (820, 19765444), (955, 16971376), (1262, 12842840), (1528, 10607110), (1640, 9882722), (1681, 9641680), (1910, 8485688), (2524, 6421420), (3056, 5303555), (3155, 5137136), (3280, 4941361), (3362, 4820840), (3820, 4242844), (5048, 3210710), (6310, 2568568), (6724, 2410420), (7640, 2121422), (7831, 2069680), (8405, 1928336), (10096, 1605355), (12620, 1284284), (13448, 1205210), (15280, 1060711), (15662, 1034840), (16810, 964168), (25240, 642142), (25871, 626480), (26896, 602605), (31324, 517420), (33620, 482084), (39155, 413936), (50480, 321071), (51742, 313240), (62648, 258710), (67240, 241042), (78310, 206968), (103484, 156620), (120521, 134480), (125296, 129355)]