20131400

素因数分解:

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

素因数の和:255

約数の個数: 96

約数和(自身を含む): 51425280

約数和(自身を除く): 31293880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 50, 62, 68, 85, 100, 124, 136, 155, 170, 191, 200, 248, 310, 340, 382, 425, 527, 620, 680, 764, 775, 850, 955, 1054, 1240, 1528, 1550, 1700, 1910, 2108, 2635, 3100, 3247, 3400, 3820, 4216, 4775, 5270, 5921, 6200, 6494, 7640, 9550, 10540, 11842, 12988, 13175, 16235, 19100, 21080, 23684, 25976, 26350, 29605, 32470, 38200, 47368, 52700, 59210, 64940, 81175, 100657, 105400, 118420, 129880, 148025, 162350, 201314, 236840, 296050, 324700, 402628, 503285, 592100, 649400, 805256, 1006570, 1184200, 2013140, 2516425, 4026280, 5032850, 10065700, 20131400]

約数ペア:

[(1, 20131400), (2, 10065700), (4, 5032850), (5, 4026280), (8, 2516425), (10, 2013140), (17, 1184200), (20, 1006570), (25, 805256), (31, 649400), (34, 592100), (40, 503285), (50, 402628), (62, 324700), (68, 296050), (85, 236840), (100, 201314), (124, 162350), (136, 148025), (155, 129880), (170, 118420), (191, 105400), (200, 100657), (248, 81175), (310, 64940), (340, 59210), (382, 52700), (425, 47368), (527, 38200), (620, 32470), (680, 29605), (764, 26350), (775, 25976), (850, 23684), (955, 21080), (1054, 19100), (1240, 16235), (1528, 13175), (1550, 12988), (1700, 11842), (1910, 10540), (2108, 9550), (2635, 7640), (3100, 6494), (3247, 6200), (3400, 5921), (3820, 5270), (4216, 4775)]