25181730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{39971}}^1$

素因数の和:39991

約数の個数: 48

約数和(自身を含む): 74827584

約数和(自身を除く): 49645854

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 39971, 79942, 119913, 199855, 239826, 279797, 359739, 399710, 559594, 599565, 719478, 839391, 1199130, 1398985, 1678782, 1798695, 2518173, 2797970, 3597390, 4196955, 5036346, 8393910, 12590865, 25181730]

約数ペア:

[(1, 25181730), (2, 12590865), (3, 8393910), (5, 5036346), (6, 4196955), (7, 3597390), (9, 2797970), (10, 2518173), (14, 1798695), (15, 1678782), (18, 1398985), (21, 1199130), (30, 839391), (35, 719478), (42, 599565), (45, 559594), (63, 399710), (70, 359739), (90, 279797), (105, 239826), (126, 199855), (210, 119913), (315, 79942), (630, 39971)]