851360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 2136456

約数和(自身を除く): 1285096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 313, 340, 544, 626, 680, 1252, 1360, 1565, 2504, 2720, 3130, 5008, 5321, 6260, 10016, 10642, 12520, 21284, 25040, 26605, 42568, 50080, 53210, 85136, 106420, 170272, 212840, 425680, 851360]

約数ペア:

[(1, 851360), (2, 425680), (4, 212840), (5, 170272), (8, 106420), (10, 85136), (16, 53210), (17, 50080), (20, 42568), (32, 26605), (34, 25040), (40, 21284), (68, 12520), (80, 10642), (85, 10016), (136, 6260), (160, 5321), (170, 5008), (272, 3130), (313, 2720), (340, 2504), (544, 1565), (626, 1360), (680, 1252)]