4973020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 11628288

約数和(自身を除く): 6655268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 617, 620, 806, 1234, 1612, 2015, 2468, 3085, 4030, 6170, 8021, 8060, 12340, 16042, 19127, 32084, 38254, 40105, 76508, 80210, 95635, 160420, 191270, 248651, 382540, 497302, 994604, 1243255, 2486510, 4973020]

約数ペア:

[(1, 4973020), (2, 2486510), (4, 1243255), (5, 994604), (10, 497302), (13, 382540), (20, 248651), (26, 191270), (31, 160420), (52, 95635), (62, 80210), (65, 76508), (124, 40105), (130, 38254), (155, 32084), (260, 19127), (310, 16042), (403, 12340), (617, 8060), (620, 8021), (806, 6170), (1234, 4030), (1612, 3085), (2015, 2468)]