51828260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2647}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 120113280

約数和(自身を除く): 68285020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2647, 3916, 4895, 5294, 9790, 10588, 13235, 19580, 26470, 29117, 52940, 58234, 116468, 145585, 235583, 291170, 471166, 582340, 942332, 1177915, 2355830, 2591413, 4711660, 5182826, 10365652, 12957065, 25914130, 51828260]

約数ペア:

[(1, 51828260), (2, 25914130), (4, 12957065), (5, 10365652), (10, 5182826), (11, 4711660), (20, 2591413), (22, 2355830), (44, 1177915), (55, 942332), (89, 582340), (110, 471166), (178, 291170), (220, 235583), (356, 145585), (445, 116468), (890, 58234), (979, 52940), (1780, 29117), (1958, 26470), (2647, 19580), (3916, 13235), (4895, 10588), (5294, 9790)]