31297760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 81793152

約数和(自身を除く): 50495392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 367, 410, 416, 520, 533, 656, 734, 820, 1040, 1066, 1312, 1468, 1640, 1835, 2080, 2132, 2665, 2936, 3280, 3670, 4264, 4771, 5330, 5872, 6560, 7340, 8528, 9542, 10660, 11744, 14680, 15047, 17056, 19084, 21320, 23855, 29360, 30094, 38168, 42640, 47710, 58720, 60188, 75235, 76336, 85280, 95420, 120376, 150470, 152672, 190840, 195611, 240752, 300940, 381680, 391222, 481504, 601880, 763360, 782444, 978055, 1203760, 1564888, 1956110, 2407520, 3129776, 3912220, 6259552, 7824440, 15648880, 31297760]

約数ペア:

[(1, 31297760), (2, 15648880), (4, 7824440), (5, 6259552), (8, 3912220), (10, 3129776), (13, 2407520), (16, 1956110), (20, 1564888), (26, 1203760), (32, 978055), (40, 782444), (41, 763360), (52, 601880), (65, 481504), (80, 391222), (82, 381680), (104, 300940), (130, 240752), (160, 195611), (164, 190840), (205, 152672), (208, 150470), (260, 120376), (328, 95420), (367, 85280), (410, 76336), (416, 75235), (520, 60188), (533, 58720), (656, 47710), (734, 42640), (820, 38168), (1040, 30094), (1066, 29360), (1312, 23855), (1468, 21320), (1640, 19084), (1835, 17056), (2080, 15047), (2132, 14680), (2665, 11744), (2936, 10660), (3280, 9542), (3670, 8528), (4264, 7340), (4771, 6560), (5330, 5872)]