129118840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 300373920

約数和(自身を除く): 171255080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 328, 410, 524, 601, 655, 820, 1048, 1202, 1310, 1640, 2404, 2620, 3005, 4808, 5240, 5371, 6010, 10742, 12020, 21484, 24040, 24641, 26855, 42968, 49282, 53710, 78731, 98564, 107420, 123205, 157462, 197128, 214840, 246410, 314924, 393655, 492820, 629848, 787310, 985640, 1574620, 3149240, 3227971, 6455942, 12911884, 16139855, 25823768, 32279710, 64559420, 129118840]

約数ペア:

[(1, 129118840), (2, 64559420), (4, 32279710), (5, 25823768), (8, 16139855), (10, 12911884), (20, 6455942), (40, 3227971), (41, 3149240), (82, 1574620), (131, 985640), (164, 787310), (205, 629848), (262, 492820), (328, 393655), (410, 314924), (524, 246410), (601, 214840), (655, 197128), (820, 157462), (1048, 123205), (1202, 107420), (1310, 98564), (1640, 78731), (2404, 53710), (2620, 49282), (3005, 42968), (4808, 26855), (5240, 24641), (5371, 24040), (6010, 21484), (10742, 12020)]