255945920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25801}}^1$

素因数の和:25849

約数の個数: 56

約数和(自身を含む): 629155968

約数和(自身を除く): 373210048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 25801, 51602, 103204, 129005, 206408, 258010, 412816, 516020, 799831, 825632, 1032040, 1599662, 1651264, 2064080, 3199324, 3999155, 4128160, 6398648, 7998310, 8256320, 12797296, 15996620, 25594592, 31993240, 51189184, 63986480, 127972960, 255945920]

約数ペア:

[(1, 255945920), (2, 127972960), (4, 63986480), (5, 51189184), (8, 31993240), (10, 25594592), (16, 15996620), (20, 12797296), (31, 8256320), (32, 7998310), (40, 6398648), (62, 4128160), (64, 3999155), (80, 3199324), (124, 2064080), (155, 1651264), (160, 1599662), (248, 1032040), (310, 825632), (320, 799831), (496, 516020), (620, 412816), (992, 258010), (1240, 206408), (1984, 129005), (2480, 103204), (4960, 51602), (9920, 25801)]