42438280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 99111600

約数和(自身を除く): 56673320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 113, 164, 205, 226, 229, 328, 410, 452, 458, 565, 820, 904, 916, 1130, 1145, 1640, 1832, 2260, 2290, 4520, 4580, 4633, 9160, 9266, 9389, 18532, 18778, 23165, 25877, 37064, 37556, 46330, 46945, 51754, 75112, 92660, 93890, 103508, 129385, 185320, 187780, 207016, 258770, 375560, 517540, 1035080, 1060957, 2121914, 4243828, 5304785, 8487656, 10609570, 21219140, 42438280]

約数ペア:

[(1, 42438280), (2, 21219140), (4, 10609570), (5, 8487656), (8, 5304785), (10, 4243828), (20, 2121914), (40, 1060957), (41, 1035080), (82, 517540), (113, 375560), (164, 258770), (205, 207016), (226, 187780), (229, 185320), (328, 129385), (410, 103508), (452, 93890), (458, 92660), (565, 75112), (820, 51754), (904, 46945), (916, 46330), (1130, 37556), (1145, 37064), (1640, 25877), (1832, 23165), (2260, 18778), (2290, 18532), (4520, 9389), (4580, 9266), (4633, 9160)]