85209880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1867}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 220573440

約数和(自身を除く): 135363560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 1867, 2282, 3260, 3734, 4564, 5705, 6520, 7468, 9128, 9335, 11410, 13069, 14936, 18670, 22820, 26138, 37340, 45640, 52276, 65345, 74680, 104552, 130690, 261380, 304321, 522760, 608642, 1217284, 1521605, 2130247, 2434568, 3043210, 4260494, 6086420, 8520988, 10651235, 12172840, 17041976, 21302470, 42604940, 85209880]

約数ペア:

[(1, 85209880), (2, 42604940), (4, 21302470), (5, 17041976), (7, 12172840), (8, 10651235), (10, 8520988), (14, 6086420), (20, 4260494), (28, 3043210), (35, 2434568), (40, 2130247), (56, 1521605), (70, 1217284), (140, 608642), (163, 522760), (280, 304321), (326, 261380), (652, 130690), (815, 104552), (1141, 74680), (1304, 65345), (1630, 52276), (1867, 45640), (2282, 37340), (3260, 26138), (3734, 22820), (4564, 18670), (5705, 14936), (6520, 13069), (7468, 11410), (9128, 9335)]