22427480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 52488000

約数和(自身を除く): 30060520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 149, 212, 265, 284, 298, 355, 424, 530, 568, 596, 710, 745, 1060, 1192, 1420, 1490, 2120, 2840, 2980, 3763, 5960, 7526, 7897, 10579, 15052, 15794, 18815, 21158, 30104, 31588, 37630, 39485, 42316, 52895, 63176, 75260, 78970, 84632, 105790, 150520, 157940, 211580, 315880, 423160, 560687, 1121374, 2242748, 2803435, 4485496, 5606870, 11213740, 22427480]

約数ペア:

[(1, 22427480), (2, 11213740), (4, 5606870), (5, 4485496), (8, 2803435), (10, 2242748), (20, 1121374), (40, 560687), (53, 423160), (71, 315880), (106, 211580), (142, 157940), (149, 150520), (212, 105790), (265, 84632), (284, 78970), (298, 75260), (355, 63176), (424, 52895), (530, 42316), (568, 39485), (596, 37630), (710, 31588), (745, 30104), (1060, 21158), (1192, 18815), (1420, 15794), (1490, 15052), (2120, 10579), (2840, 7897), (2980, 7526), (3763, 5960)]