145475560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117319}}^1$

素因数の和:117361

約数の個数: 32

約数和(自身を含む): 337881600

約数和(自身を除く): 192406040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 117319, 234638, 469276, 586595, 938552, 1173190, 2346380, 3636889, 4692760, 7273778, 14547556, 18184445, 29095112, 36368890, 72737780, 145475560]

約数ペア:

[(1, 145475560), (2, 72737780), (4, 36368890), (5, 29095112), (8, 18184445), (10, 14547556), (20, 7273778), (31, 4692760), (40, 3636889), (62, 2346380), (124, 1173190), (155, 938552), (248, 586595), (310, 469276), (620, 234638), (1240, 117319)]