4512980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5647660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 251, 290, 310, 502, 580, 620, 899, 1004, 1255, 1798, 2510, 3596, 4495, 5020, 7279, 7781, 8990, 14558, 15562, 17980, 29116, 31124, 36395, 38905, 72790, 77810, 145580, 155620, 225649, 451298, 902596, 1128245, 2256490, 4512980]

約数ペア:

[(1, 4512980), (2, 2256490), (4, 1128245), (5, 902596), (10, 451298), (20, 225649), (29, 155620), (31, 145580), (58, 77810), (62, 72790), (116, 38905), (124, 36395), (145, 31124), (155, 29116), (251, 17980), (290, 15562), (310, 14558), (502, 8990), (580, 7781), (620, 7279), (899, 5020), (1004, 4495), (1255, 3596), (1798, 2510)]