40825490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 79662528

約数和(自身を除く): 38837038

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 263, 361, 430, 526, 722, 817, 1315, 1634, 1805, 2630, 3610, 4085, 4997, 8170, 9994, 11309, 15523, 22618, 24985, 31046, 49970, 56545, 77615, 94943, 113090, 155230, 189886, 214871, 429742, 474715, 949430, 1074355, 2148710, 4082549, 8165098, 20412745, 40825490]

約数ペア:

[(1, 40825490), (2, 20412745), (5, 8165098), (10, 4082549), (19, 2148710), (38, 1074355), (43, 949430), (86, 474715), (95, 429742), (190, 214871), (215, 189886), (263, 155230), (361, 113090), (430, 94943), (526, 77615), (722, 56545), (817, 49970), (1315, 31046), (1634, 24985), (1805, 22618), (2630, 15523), (3610, 11309), (4085, 9994), (4997, 8170)]