40220390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19813}}^1$

素因数の和:19856

約数の個数: 32

約数和(自身を含む): 85596480

約数和(自身を除く): 45376090

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 19813, 39626, 99065, 138691, 198130, 277382, 574577, 693455, 1149154, 1386910, 2872885, 4022039, 5745770, 8044078, 20110195, 40220390]

約数ペア:

[(1, 40220390), (2, 20110195), (5, 8044078), (7, 5745770), (10, 4022039), (14, 2872885), (29, 1386910), (35, 1149154), (58, 693455), (70, 574577), (145, 277382), (203, 198130), (290, 138691), (406, 99065), (1015, 39626), (2030, 19813)]