80036420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{773}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 174763008

約数和(自身を除く): 94726588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 773, 835, 1546, 1670, 3092, 3340, 3865, 5177, 7730, 10354, 15460, 20708, 23963, 25885, 47926, 51770, 95852, 103540, 119815, 129091, 239630, 258182, 479260, 516364, 645455, 1290910, 2581820, 4001821, 8003642, 16007284, 20009105, 40018210, 80036420]

約数ペア:

[(1, 80036420), (2, 40018210), (4, 20009105), (5, 16007284), (10, 8003642), (20, 4001821), (31, 2581820), (62, 1290910), (124, 645455), (155, 516364), (167, 479260), (310, 258182), (334, 239630), (620, 129091), (668, 119815), (773, 103540), (835, 95852), (1546, 51770), (1670, 47926), (3092, 25885), (3340, 23963), (3865, 20708), (5177, 15460), (7730, 10354)]