66287920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26729}}^1$

素因数の和:26773

約数の個数: 40

約数和(自身を含む): 159096960

約数和(自身を除く): 92809040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26729, 53458, 106916, 133645, 213832, 267290, 427664, 534580, 828599, 1069160, 1657198, 2138320, 3314396, 4142995, 6628792, 8285990, 13257584, 16571980, 33143960, 66287920]

約数ペア:

[(1, 66287920), (2, 33143960), (4, 16571980), (5, 13257584), (8, 8285990), (10, 6628792), (16, 4142995), (20, 3314396), (31, 2138320), (40, 1657198), (62, 1069160), (80, 828599), (124, 534580), (155, 427664), (248, 267290), (310, 213832), (496, 133645), (620, 106916), (1240, 53458), (2480, 26729)]