89654140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 195924960

約数和(自身を除く): 106270820

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 430, 610, 860, 1220, 1709, 2623, 3418, 5246, 6836, 8545, 10492, 13115, 17090, 26230, 34180, 52460, 73487, 104249, 146974, 208498, 293948, 367435, 416996, 521245, 734870, 1042490, 1469740, 2084980, 4482707, 8965414, 17930828, 22413535, 44827070, 89654140]

約数ペア:

[(1, 89654140), (2, 44827070), (4, 22413535), (5, 17930828), (10, 8965414), (20, 4482707), (43, 2084980), (61, 1469740), (86, 1042490), (122, 734870), (172, 521245), (215, 416996), (244, 367435), (305, 293948), (430, 208498), (610, 146974), (860, 104249), (1220, 73487), (1709, 52460), (2623, 34180), (3418, 26230), (5246, 17090), (6836, 13115), (8545, 10492)]