55622120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 132840000

約数和(自身を除く): 77217880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 449, 652, 760, 815, 898, 1304, 1630, 1796, 2245, 3097, 3260, 3592, 4490, 6194, 6520, 8531, 8980, 12388, 15485, 17062, 17960, 24776, 30970, 34124, 42655, 61940, 68248, 73187, 85310, 123880, 146374, 170620, 292748, 341240, 365935, 585496, 731870, 1390553, 1463740, 2781106, 2927480, 5562212, 6952765, 11124424, 13905530, 27811060, 55622120]

約数ペア:

[(1, 55622120), (2, 27811060), (4, 13905530), (5, 11124424), (8, 6952765), (10, 5562212), (19, 2927480), (20, 2781106), (38, 1463740), (40, 1390553), (76, 731870), (95, 585496), (152, 365935), (163, 341240), (190, 292748), (326, 170620), (380, 146374), (449, 123880), (652, 85310), (760, 73187), (815, 68248), (898, 61940), (1304, 42655), (1630, 34124), (1796, 30970), (2245, 24776), (3097, 17960), (3260, 17062), (3592, 15485), (4490, 12388), (6194, 8980), (6520, 8531)]