201615320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162593}}^1$

素因数の和:162635

約数の個数: 32

約数和(自身を含む): 468270720

約数和(自身を除く): 266655400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162593, 325186, 650372, 812965, 1300744, 1625930, 3251860, 5040383, 6503720, 10080766, 20161532, 25201915, 40323064, 50403830, 100807660, 201615320]

約数ペア:

[(1, 201615320), (2, 100807660), (4, 50403830), (5, 40323064), (8, 25201915), (10, 20161532), (20, 10080766), (31, 6503720), (40, 5040383), (62, 3251860), (124, 1625930), (155, 1300744), (248, 812965), (310, 650372), (620, 325186), (1240, 162593)]