87008180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6983}}^1$

素因数の和:7088

約数の個数: 48

約数和(自身を含む): 211196160

約数和(自身を除く): 124187980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 6983, 12460, 13966, 27932, 34915, 48881, 69830, 97762, 139660, 195524, 244405, 488810, 621487, 977620, 1242974, 2485948, 3107435, 4350409, 6214870, 8700818, 12429740, 17401636, 21752045, 43504090, 87008180]

約数ペア:

[(1, 87008180), (2, 43504090), (4, 21752045), (5, 17401636), (7, 12429740), (10, 8700818), (14, 6214870), (20, 4350409), (28, 3107435), (35, 2485948), (70, 1242974), (89, 977620), (140, 621487), (178, 488810), (356, 244405), (445, 195524), (623, 139660), (890, 97762), (1246, 69830), (1780, 48881), (2492, 34915), (3115, 27932), (6230, 13966), (6983, 12460)]