65394940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251519}}^1$

素因数の和:251541

約数の個数: 24

約数和(自身を含む): 147893760

約数和(自身を除く): 82498820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 251519, 503038, 1006076, 1257595, 2515190, 3269747, 5030380, 6539494, 13078988, 16348735, 32697470, 65394940]

約数ペア:

[(1, 65394940), (2, 32697470), (4, 16348735), (5, 13078988), (10, 6539494), (13, 5030380), (20, 3269747), (26, 2515190), (52, 1257595), (65, 1006076), (130, 503038), (260, 251519)]