25565940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 78093288

約数和(自身を除く): 52527348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 821, 865, 1038, 1557, 1642, 1730, 2076, 2463, 2595, 3114, 3284, 3460, 4105, 4926, 5190, 6228, 7389, 7785, 8210, 9852, 10380, 12315, 14778, 15570, 16420, 24630, 29556, 31140, 36945, 49260, 73890, 142033, 147780, 284066, 426099, 568132, 710165, 852198, 1278297, 1420330, 1704396, 2130495, 2556594, 2840660, 4260990, 5113188, 6391485, 8521980, 12782970, 25565940]

約数ペア:

[(1, 25565940), (2, 12782970), (3, 8521980), (4, 6391485), (5, 5113188), (6, 4260990), (9, 2840660), (10, 2556594), (12, 2130495), (15, 1704396), (18, 1420330), (20, 1278297), (30, 852198), (36, 710165), (45, 568132), (60, 426099), (90, 284066), (173, 147780), (180, 142033), (346, 73890), (519, 49260), (692, 36945), (821, 31140), (865, 29556), (1038, 24630), (1557, 16420), (1642, 15570), (1730, 14778), (2076, 12315), (2463, 10380), (2595, 9852), (3114, 8210), (3284, 7785), (3460, 7389), (4105, 6228), (4926, 5190)]