163124980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{133709}}^1$

素因数の和:133779

約数の個数: 24

約数和(自身を含む): 348180840

約数和(自身を除く): 185055860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 133709, 267418, 534836, 668545, 1337090, 2674180, 8156249, 16312498, 32624996, 40781245, 81562490, 163124980]

約数ペア:

[(1, 163124980), (2, 81562490), (4, 40781245), (5, 32624996), (10, 16312498), (20, 8156249), (61, 2674180), (122, 1337090), (244, 668545), (305, 534836), (610, 267418), (1220, 133709)]