31282040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 75232800

約数和(自身を除く): 43950760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 257, 340, 358, 514, 680, 716, 895, 1028, 1285, 1432, 1790, 2056, 2570, 3043, 3580, 4369, 5140, 6086, 7160, 8738, 10280, 12172, 15215, 17476, 21845, 24344, 30430, 34952, 43690, 46003, 60860, 87380, 92006, 121720, 174760, 184012, 230015, 368024, 460030, 782051, 920060, 1564102, 1840120, 3128204, 3910255, 6256408, 7820510, 15641020, 31282040]

約数ペア:

[(1, 31282040), (2, 15641020), (4, 7820510), (5, 6256408), (8, 3910255), (10, 3128204), (17, 1840120), (20, 1564102), (34, 920060), (40, 782051), (68, 460030), (85, 368024), (136, 230015), (170, 184012), (179, 174760), (257, 121720), (340, 92006), (358, 87380), (514, 60860), (680, 46003), (716, 43690), (895, 34952), (1028, 30430), (1285, 24344), (1432, 21845), (1790, 17476), (2056, 15215), (2570, 12172), (3043, 10280), (3580, 8738), (4369, 7160), (5140, 6086)]