8868560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6521}}^1$

素因数の和:6551

約数の個数: 40

約数和(自身を含む): 21835656

約数和(自身を除く): 12967096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6521, 13042, 26084, 32605, 52168, 65210, 104336, 110857, 130420, 221714, 260840, 443428, 521680, 554285, 886856, 1108570, 1773712, 2217140, 4434280, 8868560]

約数ペア:

[(1, 8868560), (2, 4434280), (4, 2217140), (5, 1773712), (8, 1108570), (10, 886856), (16, 554285), (17, 521680), (20, 443428), (34, 260840), (40, 221714), (68, 130420), (80, 110857), (85, 104336), (136, 65210), (170, 52168), (272, 32605), (340, 26084), (680, 13042), (1360, 6521)]