202480360

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{18679}}^1$

素因数の和:18961

約数の個数: 32

約数和(自身を含む): 457286400

約数和(自身を除く): 254806040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 18679, 37358, 74716, 93395, 149432, 186790, 373580, 747160, 5062009, 10124018, 20248036, 25310045, 40496072, 50620090, 101240180, 202480360]

約数ペア:

[(1, 202480360), (2, 101240180), (4, 50620090), (5, 40496072), (8, 25310045), (10, 20248036), (20, 10124018), (40, 5062009), (271, 747160), (542, 373580), (1084, 186790), (1355, 149432), (2168, 93395), (2710, 74716), (5420, 37358), (10840, 18679)]