668045300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{513881}}^1$

素因数の和:513908

約数の個数: 36

約数和(自身を含む): 1561173516

約数和(自身を除く): 893128216

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 513881, 1027762, 2055524, 2569405, 5138810, 6680453, 10277620, 12847025, 13360906, 25694050, 26721812, 33402265, 51388100, 66804530, 133609060, 167011325, 334022650, 668045300]

約数ペア:

[(1, 668045300), (2, 334022650), (4, 167011325), (5, 133609060), (10, 66804530), (13, 51388100), (20, 33402265), (25, 26721812), (26, 25694050), (50, 13360906), (52, 12847025), (65, 10277620), (100, 6680453), (130, 5138810), (260, 2569405), (325, 2055524), (650, 1027762), (1300, 513881)]