31675180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1087}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 70189056

約数和(自身を除く): 38513876

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1087, 1457, 2174, 2914, 4348, 5435, 5828, 7285, 10870, 14570, 21740, 29140, 33697, 51089, 67394, 102178, 134788, 168485, 204356, 255445, 336970, 510890, 673940, 1021780, 1583759, 3167518, 6335036, 7918795, 15837590, 31675180]

約数ペア:

[(1, 31675180), (2, 15837590), (4, 7918795), (5, 6335036), (10, 3167518), (20, 1583759), (31, 1021780), (47, 673940), (62, 510890), (94, 336970), (124, 255445), (155, 204356), (188, 168485), (235, 134788), (310, 102178), (470, 67394), (620, 51089), (940, 33697), (1087, 29140), (1457, 21740), (2174, 14570), (2914, 10870), (4348, 7285), (5435, 5828)]