40405430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 84913920

約数和(自身を除く): 44508490

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 47, 65, 85, 94, 130, 170, 221, 235, 389, 442, 470, 611, 778, 799, 1105, 1222, 1598, 1945, 2210, 3055, 3890, 3995, 5057, 6110, 6613, 7990, 10114, 10387, 13226, 18283, 20774, 25285, 33065, 36566, 50570, 51935, 66130, 85969, 91415, 103870, 171938, 182830, 237679, 310811, 429845, 475358, 621622, 859690, 1188395, 1554055, 2376790, 3108110, 4040543, 8081086, 20202715, 40405430]

約数ペア:

[(1, 40405430), (2, 20202715), (5, 8081086), (10, 4040543), (13, 3108110), (17, 2376790), (26, 1554055), (34, 1188395), (47, 859690), (65, 621622), (85, 475358), (94, 429845), (130, 310811), (170, 237679), (221, 182830), (235, 171938), (389, 103870), (442, 91415), (470, 85969), (611, 66130), (778, 51935), (799, 50570), (1105, 36566), (1222, 33065), (1598, 25285), (1945, 20774), (2210, 18283), (3055, 13226), (3890, 10387), (3995, 10114), (5057, 7990), (6110, 6613)]