13469320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 18464120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 191, 205, 215, 328, 344, 382, 410, 430, 764, 820, 860, 955, 1528, 1640, 1720, 1763, 1910, 3526, 3820, 7052, 7640, 7831, 8213, 8815, 14104, 15662, 16426, 17630, 31324, 32852, 35260, 39155, 41065, 62648, 65704, 70520, 78310, 82130, 156620, 164260, 313240, 328520, 336733, 673466, 1346932, 1683665, 2693864, 3367330, 6734660, 13469320]

約数ペア:

[(1, 13469320), (2, 6734660), (4, 3367330), (5, 2693864), (8, 1683665), (10, 1346932), (20, 673466), (40, 336733), (41, 328520), (43, 313240), (82, 164260), (86, 156620), (164, 82130), (172, 78310), (191, 70520), (205, 65704), (215, 62648), (328, 41065), (344, 39155), (382, 35260), (410, 32852), (430, 31324), (764, 17630), (820, 16426), (860, 15662), (955, 14104), (1528, 8815), (1640, 8213), (1720, 7831), (1763, 7640), (1910, 7052), (3526, 3820)]