27990520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22573}}^1$

素因数の和:22615

約数の個数: 32

約数和(自身を含む): 65013120

約数和(自身を除く): 37022600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22573, 45146, 90292, 112865, 180584, 225730, 451460, 699763, 902920, 1399526, 2799052, 3498815, 5598104, 6997630, 13995260, 27990520]

約数ペア:

[(1, 27990520), (2, 13995260), (4, 6997630), (5, 5598104), (8, 3498815), (10, 2799052), (20, 1399526), (31, 902920), (40, 699763), (62, 451460), (124, 225730), (155, 180584), (248, 112865), (310, 90292), (620, 45146), (1240, 22573)]