131599960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106129}}^1$

素因数の和:106171

約数の個数: 32

約数和(自身を含む): 305654400

約数和(自身を除く): 174054440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 106129, 212258, 424516, 530645, 849032, 1061290, 2122580, 3289999, 4245160, 6579998, 13159996, 16449995, 26319992, 32899990, 65799980, 131599960]

約数ペア:

[(1, 131599960), (2, 65799980), (4, 32899990), (5, 26319992), (8, 16449995), (10, 13159996), (20, 6579998), (31, 4245160), (40, 3289999), (62, 2122580), (124, 1061290), (155, 849032), (248, 530645), (310, 424516), (620, 212258), (1240, 106129)]