8975720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 22332240

約数和(自身を除く): 13356520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 421, 520, 533, 820, 842, 1066, 1640, 1684, 2105, 2132, 2665, 3368, 4210, 4264, 5330, 5473, 8420, 10660, 10946, 16840, 17261, 21320, 21892, 27365, 34522, 43784, 54730, 69044, 86305, 109460, 138088, 172610, 218920, 224393, 345220, 448786, 690440, 897572, 1121965, 1795144, 2243930, 4487860, 8975720]

約数ペア:

[(1, 8975720), (2, 4487860), (4, 2243930), (5, 1795144), (8, 1121965), (10, 897572), (13, 690440), (20, 448786), (26, 345220), (40, 224393), (41, 218920), (52, 172610), (65, 138088), (82, 109460), (104, 86305), (130, 69044), (164, 54730), (205, 43784), (260, 34522), (328, 27365), (410, 21892), (421, 21320), (520, 17261), (533, 16840), (820, 10946), (842, 10660), (1066, 8420), (1640, 5473), (1684, 5330), (2105, 4264), (2132, 4210), (2665, 3368)]