23828860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 55248480

約数和(自身を除く): 31419620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1217, 1780, 1958, 2434, 3916, 4868, 4895, 6085, 9790, 12170, 13387, 19580, 24340, 26774, 53548, 66935, 108313, 133870, 216626, 267740, 433252, 541565, 1083130, 1191443, 2166260, 2382886, 4765772, 5957215, 11914430, 23828860]

約数ペア:

[(1, 23828860), (2, 11914430), (4, 5957215), (5, 4765772), (10, 2382886), (11, 2166260), (20, 1191443), (22, 1083130), (44, 541565), (55, 433252), (89, 267740), (110, 216626), (178, 133870), (220, 108313), (356, 66935), (445, 53548), (890, 26774), (979, 24340), (1217, 19580), (1780, 13387), (1958, 12170), (2434, 9790), (3916, 6085), (4868, 4895)]