25815020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16763}}^1$

素因数の和:16790

約数の個数: 48

約数和(自身を含む): 67592448

約数和(自身を除く): 41777428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16763, 33526, 67052, 83815, 117341, 167630, 184393, 234682, 335260, 368786, 469364, 586705, 737572, 921965, 1173410, 1290751, 1843930, 2346820, 2581502, 3687860, 5163004, 6453755, 12907510, 25815020]

約数ペア:

[(1, 25815020), (2, 12907510), (4, 6453755), (5, 5163004), (7, 3687860), (10, 2581502), (11, 2346820), (14, 1843930), (20, 1290751), (22, 1173410), (28, 921965), (35, 737572), (44, 586705), (55, 469364), (70, 368786), (77, 335260), (110, 234682), (140, 184393), (154, 167630), (220, 117341), (308, 83815), (385, 67052), (770, 33526), (1540, 16763)]