2082440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 4752000

約数和(自身を除く): 2669560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 659, 790, 1318, 1580, 2636, 3160, 3295, 5272, 6590, 13180, 26360, 52061, 104122, 208244, 260305, 416488, 520610, 1041220, 2082440]

約数ペア:

[(1, 2082440), (2, 1041220), (4, 520610), (5, 416488), (8, 260305), (10, 208244), (20, 104122), (40, 52061), (79, 26360), (158, 13180), (316, 6590), (395, 5272), (632, 3295), (659, 3160), (790, 2636), (1318, 1580)]