85303280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62723}}^1$

素因数の和:62753

約数の個数: 40

約数和(自身を含む): 209999952

約数和(自身を除く): 124696672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 62723, 125446, 250892, 313615, 501784, 627230, 1003568, 1066291, 1254460, 2132582, 2508920, 4265164, 5017840, 5331455, 8530328, 10662910, 17060656, 21325820, 42651640, 85303280]

約数ペア:

[(1, 85303280), (2, 42651640), (4, 21325820), (5, 17060656), (8, 10662910), (10, 8530328), (16, 5331455), (17, 5017840), (20, 4265164), (34, 2508920), (40, 2132582), (68, 1254460), (80, 1066291), (85, 1003568), (136, 627230), (170, 501784), (272, 313615), (340, 250892), (680, 125446), (1360, 62723)]