10213720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 25401600

約数和(自身を除く): 15187880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 167, 220, 278, 334, 440, 556, 668, 695, 835, 1112, 1336, 1390, 1529, 1670, 1837, 2780, 3058, 3340, 3674, 5560, 6116, 6680, 7348, 7645, 9185, 12232, 14696, 15290, 18370, 23213, 30580, 36740, 46426, 61160, 73480, 92852, 116065, 185704, 232130, 255343, 464260, 510686, 928520, 1021372, 1276715, 2042744, 2553430, 5106860, 10213720]

約数ペア:

[(1, 10213720), (2, 5106860), (4, 2553430), (5, 2042744), (8, 1276715), (10, 1021372), (11, 928520), (20, 510686), (22, 464260), (40, 255343), (44, 232130), (55, 185704), (88, 116065), (110, 92852), (139, 73480), (167, 61160), (220, 46426), (278, 36740), (334, 30580), (440, 23213), (556, 18370), (668, 15290), (695, 14696), (835, 12232), (1112, 9185), (1336, 7645), (1390, 7348), (1529, 6680), (1670, 6116), (1837, 5560), (2780, 3674), (3058, 3340)]