88976680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 217324800

約数和(自身を除く): 128348120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1231, 1390, 1807, 2462, 2780, 3614, 4924, 5560, 6155, 7228, 9035, 9848, 12310, 14456, 16003, 18070, 24620, 32006, 36140, 49240, 64012, 72280, 80015, 128024, 160030, 171109, 320060, 342218, 640120, 684436, 855545, 1368872, 1711090, 2224417, 3422180, 4448834, 6844360, 8897668, 11122085, 17795336, 22244170, 44488340, 88976680]

約数ペア:

[(1, 88976680), (2, 44488340), (4, 22244170), (5, 17795336), (8, 11122085), (10, 8897668), (13, 6844360), (20, 4448834), (26, 3422180), (40, 2224417), (52, 1711090), (65, 1368872), (104, 855545), (130, 684436), (139, 640120), (260, 342218), (278, 320060), (520, 171109), (556, 160030), (695, 128024), (1112, 80015), (1231, 72280), (1390, 64012), (1807, 49240), (2462, 36140), (2780, 32006), (3614, 24620), (4924, 18070), (5560, 16003), (6155, 14456), (7228, 12310), (9035, 9848)]