25837980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61519}}^1$

素因数の和:61538

約数の個数: 48

約数和(自身を含む): 82682880

約数和(自身を除く): 56844900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61519, 123038, 184557, 246076, 307595, 369114, 430633, 615190, 738228, 861266, 922785, 1230380, 1291899, 1722532, 1845570, 2153165, 2583798, 3691140, 4306330, 5167596, 6459495, 8612660, 12918990, 25837980]

約数ペア:

[(1, 25837980), (2, 12918990), (3, 8612660), (4, 6459495), (5, 5167596), (6, 4306330), (7, 3691140), (10, 2583798), (12, 2153165), (14, 1845570), (15, 1722532), (20, 1291899), (21, 1230380), (28, 922785), (30, 861266), (35, 738228), (42, 615190), (60, 430633), (70, 369114), (84, 307595), (105, 246076), (140, 184557), (210, 123038), (420, 61519)]