4026280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 9953280

約数和(自身を除く): 5927000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 191, 248, 310, 340, 382, 527, 620, 680, 764, 955, 1054, 1240, 1528, 1910, 2108, 2635, 3247, 3820, 4216, 5270, 5921, 6494, 7640, 10540, 11842, 12988, 16235, 21080, 23684, 25976, 29605, 32470, 47368, 59210, 64940, 100657, 118420, 129880, 201314, 236840, 402628, 503285, 805256, 1006570, 2013140, 4026280]

約数ペア:

[(1, 4026280), (2, 2013140), (4, 1006570), (5, 805256), (8, 503285), (10, 402628), (17, 236840), (20, 201314), (31, 129880), (34, 118420), (40, 100657), (62, 64940), (68, 59210), (85, 47368), (124, 32470), (136, 29605), (155, 25976), (170, 23684), (191, 21080), (248, 16235), (310, 12988), (340, 11842), (382, 10540), (527, 7640), (620, 6494), (680, 5921), (764, 5270), (955, 4216), (1054, 3820), (1240, 3247), (1528, 2635), (1910, 2108)]