76809940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{123887}}^1$

素因数の和:123927

約数の個数: 24

約数和(自身を含む): 166505472

約数和(自身を除く): 89695532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 123887, 247774, 495548, 619435, 1238870, 2477740, 3840497, 7680994, 15361988, 19202485, 38404970, 76809940]

約数ペア:

[(1, 76809940), (2, 38404970), (4, 19202485), (5, 15361988), (10, 7680994), (20, 3840497), (31, 2477740), (62, 1238870), (124, 619435), (155, 495548), (310, 247774), (620, 123887)]