65176880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 160489728

約数和(自身を除く): 95312848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 641, 656, 820, 1240, 1271, 1282, 1640, 2480, 2542, 2564, 3205, 3280, 5084, 5128, 6355, 6410, 10168, 10256, 12710, 12820, 19871, 20336, 25420, 25640, 26281, 39742, 50840, 51280, 52562, 79484, 99355, 101680, 105124, 131405, 158968, 198710, 210248, 262810, 317936, 397420, 420496, 525620, 794840, 814711, 1051240, 1589680, 1629422, 2102480, 3258844, 4073555, 6517688, 8147110, 13035376, 16294220, 32588440, 65176880]

約数ペア:

[(1, 65176880), (2, 32588440), (4, 16294220), (5, 13035376), (8, 8147110), (10, 6517688), (16, 4073555), (20, 3258844), (31, 2102480), (40, 1629422), (41, 1589680), (62, 1051240), (80, 814711), (82, 794840), (124, 525620), (155, 420496), (164, 397420), (205, 317936), (248, 262810), (310, 210248), (328, 198710), (410, 158968), (496, 131405), (620, 105124), (641, 101680), (656, 99355), (820, 79484), (1240, 52562), (1271, 51280), (1282, 50840), (1640, 39742), (2480, 26281), (2542, 25640), (2564, 25420), (3205, 20336), (3280, 19871), (5084, 12820), (5128, 12710), (6355, 10256), (6410, 10168)]