85152040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 202498560

約数和(自身を除く): 117346520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1597, 1720, 2666, 3194, 5332, 6388, 6665, 7985, 10664, 12776, 13330, 15970, 26660, 31940, 49507, 53320, 63880, 68671, 99014, 137342, 198028, 247535, 274684, 343355, 396056, 495070, 549368, 686710, 990140, 1373420, 1980280, 2128801, 2746840, 4257602, 8515204, 10644005, 17030408, 21288010, 42576020, 85152040]

約数ペア:

[(1, 85152040), (2, 42576020), (4, 21288010), (5, 17030408), (8, 10644005), (10, 8515204), (20, 4257602), (31, 2746840), (40, 2128801), (43, 1980280), (62, 1373420), (86, 990140), (124, 686710), (155, 549368), (172, 495070), (215, 396056), (248, 343355), (310, 274684), (344, 247535), (430, 198028), (620, 137342), (860, 99014), (1240, 68671), (1333, 63880), (1597, 53320), (1720, 49507), (2666, 31940), (3194, 26660), (5332, 15970), (6388, 13330), (6665, 12776), (7985, 10664)]