17740840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 43520400

約数和(自身を除く): 25779560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 313, 436, 520, 545, 626, 872, 1090, 1252, 1417, 1565, 2180, 2504, 2834, 3130, 4069, 4360, 5668, 6260, 7085, 8138, 11336, 12520, 14170, 16276, 20345, 28340, 32552, 34117, 40690, 56680, 68234, 81380, 136468, 162760, 170585, 272936, 341170, 443521, 682340, 887042, 1364680, 1774084, 2217605, 3548168, 4435210, 8870420, 17740840]

約数ペア:

[(1, 17740840), (2, 8870420), (4, 4435210), (5, 3548168), (8, 2217605), (10, 1774084), (13, 1364680), (20, 887042), (26, 682340), (40, 443521), (52, 341170), (65, 272936), (104, 170585), (109, 162760), (130, 136468), (218, 81380), (260, 68234), (313, 56680), (436, 40690), (520, 34117), (545, 32552), (626, 28340), (872, 20345), (1090, 16276), (1252, 14170), (1417, 12520), (1565, 11336), (2180, 8138), (2504, 7085), (2834, 6260), (3130, 5668), (4069, 4360)]