88615280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 223839840

約数和(自身を除く): 135224560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 613, 695, 1040, 1112, 1226, 1390, 1807, 2224, 2452, 2780, 3065, 3614, 4904, 5560, 6130, 7228, 7969, 9035, 9808, 11120, 12260, 14456, 15938, 18070, 24520, 28912, 31876, 36140, 39845, 49040, 63752, 72280, 79690, 85207, 127504, 144560, 159380, 170414, 318760, 340828, 426035, 637520, 681656, 852070, 1107691, 1363312, 1704140, 2215382, 3408280, 4430764, 5538455, 6816560, 8861528, 11076910, 17723056, 22153820, 44307640, 88615280]

約数ペア:

[(1, 88615280), (2, 44307640), (4, 22153820), (5, 17723056), (8, 11076910), (10, 8861528), (13, 6816560), (16, 5538455), (20, 4430764), (26, 3408280), (40, 2215382), (52, 1704140), (65, 1363312), (80, 1107691), (104, 852070), (130, 681656), (139, 637520), (208, 426035), (260, 340828), (278, 318760), (520, 170414), (556, 159380), (613, 144560), (695, 127504), (1040, 85207), (1112, 79690), (1226, 72280), (1390, 63752), (1807, 49040), (2224, 39845), (2452, 36140), (2780, 31876), (3065, 28912), (3614, 24520), (4904, 18070), (5560, 15938), (6130, 14456), (7228, 12260), (7969, 11120), (9035, 9808)]