68006380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261563}}^1$

素因数の和:261585

約数の個数: 24

約数和(自身を含む): 153799632

約数和(自身を除く): 85793252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 261563, 523126, 1046252, 1307815, 2615630, 3400319, 5231260, 6800638, 13601276, 17001595, 34003190, 68006380]

約数ペア:

[(1, 68006380), (2, 34003190), (4, 17001595), (5, 13601276), (10, 6800638), (13, 5231260), (20, 3400319), (26, 2615630), (52, 1307815), (65, 1046252), (130, 523126), (260, 261563)]