28940980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46679}}^1$

素因数の和:46719

約数の個数: 24

約数和(自身を含む): 62737920

約数和(自身を除く): 33796940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 46679, 93358, 186716, 233395, 466790, 933580, 1447049, 2894098, 5788196, 7235245, 14470490, 28940980]

約数ペア:

[(1, 28940980), (2, 14470490), (4, 7235245), (5, 5788196), (10, 2894098), (20, 1447049), (31, 933580), (62, 466790), (124, 233395), (155, 186716), (310, 93358), (620, 46679)]