42455420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10457}}^1$

素因数の和:10502

約数の個数: 48

約数和(自身を含む): 105416640

約数和(自身を除く): 62961220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 10457, 20914, 41828, 52285, 73199, 104570, 146398, 209140, 292796, 303253, 365995, 606506, 731990, 1213012, 1463980, 1516265, 2122771, 3032530, 4245542, 6065060, 8491084, 10613855, 21227710, 42455420]

約数ペア:

[(1, 42455420), (2, 21227710), (4, 10613855), (5, 8491084), (7, 6065060), (10, 4245542), (14, 3032530), (20, 2122771), (28, 1516265), (29, 1463980), (35, 1213012), (58, 731990), (70, 606506), (116, 365995), (140, 303253), (145, 292796), (203, 209140), (290, 146398), (406, 104570), (580, 73199), (812, 52285), (1015, 41828), (2030, 20914), (4060, 10457)]