63900460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245771}}^1$

素因数の和:245793

約数の個数: 24

約数和(自身を含む): 144513936

約数和(自身を除く): 80613476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245771, 491542, 983084, 1228855, 2457710, 3195023, 4915420, 6390046, 12780092, 15975115, 31950230, 63900460]

約数ペア:

[(1, 63900460), (2, 31950230), (4, 15975115), (5, 12780092), (10, 6390046), (13, 4915420), (20, 3195023), (26, 2457710), (52, 1228855), (65, 983084), (130, 491542), (260, 245771)]