1955980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7523}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 4424112

約数和(自身を除く): 2468132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7523, 15046, 30092, 37615, 75230, 97799, 150460, 195598, 391196, 488995, 977990, 1955980]

約数ペア:

[(1, 1955980), (2, 977990), (4, 488995), (5, 391196), (10, 195598), (13, 150460), (20, 97799), (26, 75230), (52, 37615), (65, 30092), (130, 15046), (260, 7523)]