2015420980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3250679}}^1$

素因数の和:3250719

約数の個数: 24

約数和(自身を含む): 4368913920

約数和(自身を除く): 2353492940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3250679, 6501358, 13002716, 16253395, 32506790, 65013580, 100771049, 201542098, 403084196, 503855245, 1007710490, 2015420980]

約数ペア:

[(1, 2015420980), (2, 1007710490), (4, 503855245), (5, 403084196), (10, 201542098), (20, 100771049), (31, 65013580), (62, 32506790), (124, 16253395), (155, 13002716), (310, 6501358), (620, 3250679)]