38967760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 98899920

約数和(自身を除く): 59932160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 421, 445, 520, 712, 842, 890, 1040, 1157, 1424, 1684, 1780, 2105, 2314, 3368, 3560, 4210, 4628, 5473, 5785, 6736, 7120, 8420, 9256, 10946, 11570, 16840, 18512, 21892, 23140, 27365, 33680, 37469, 43784, 46280, 54730, 74938, 87568, 92560, 109460, 149876, 187345, 218920, 299752, 374690, 437840, 487097, 599504, 749380, 974194, 1498760, 1948388, 2435485, 2997520, 3896776, 4870970, 7793552, 9741940, 19483880, 38967760]

約数ペア:

[(1, 38967760), (2, 19483880), (4, 9741940), (5, 7793552), (8, 4870970), (10, 3896776), (13, 2997520), (16, 2435485), (20, 1948388), (26, 1498760), (40, 974194), (52, 749380), (65, 599504), (80, 487097), (89, 437840), (104, 374690), (130, 299752), (178, 218920), (208, 187345), (260, 149876), (356, 109460), (421, 92560), (445, 87568), (520, 74938), (712, 54730), (842, 46280), (890, 43784), (1040, 37469), (1157, 33680), (1424, 27365), (1684, 23140), (1780, 21892), (2105, 18512), (2314, 16840), (3368, 11570), (3560, 10946), (4210, 9256), (4628, 8420), (5473, 7120), (5785, 6736)]