42405520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17099}}^1$

素因数の和:17143

約数の個数: 40

約数和(自身を含む): 101779200

約数和(自身を除く): 59373680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 17099, 34198, 68396, 85495, 136792, 170990, 273584, 341980, 530069, 683960, 1060138, 1367920, 2120276, 2650345, 4240552, 5300690, 8481104, 10601380, 21202760, 42405520]

約数ペア:

[(1, 42405520), (2, 21202760), (4, 10601380), (5, 8481104), (8, 5300690), (10, 4240552), (16, 2650345), (20, 2120276), (31, 1367920), (40, 1060138), (62, 683960), (80, 530069), (124, 341980), (155, 273584), (248, 170990), (310, 136792), (496, 85495), (620, 68396), (1240, 34198), (2480, 17099)]