28137040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 60

約数和(自身を含む): 69550236

約数和(自身を除く): 41413196

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1217, 1360, 1445, 2312, 2434, 2890, 4624, 4868, 5780, 6085, 9736, 11560, 12170, 19472, 20689, 23120, 24340, 41378, 48680, 82756, 97360, 103445, 165512, 206890, 331024, 351713, 413780, 703426, 827560, 1406852, 1655120, 1758565, 2813704, 3517130, 5627408, 7034260, 14068520, 28137040]

約数ペア:

[(1, 28137040), (2, 14068520), (4, 7034260), (5, 5627408), (8, 3517130), (10, 2813704), (16, 1758565), (17, 1655120), (20, 1406852), (34, 827560), (40, 703426), (68, 413780), (80, 351713), (85, 331024), (136, 206890), (170, 165512), (272, 103445), (289, 97360), (340, 82756), (578, 48680), (680, 41378), (1156, 24340), (1217, 23120), (1360, 20689), (1445, 19472), (2312, 12170), (2434, 11560), (2890, 9736), (4624, 6085), (4868, 5780)]