38530040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15791}}^1$

素因数の和:15863

約数の個数: 32

約数和(自身を含む): 88119360

約数和(自身を除く): 49589320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15791, 31582, 63164, 78955, 126328, 157910, 315820, 631640, 963251, 1926502, 3853004, 4816255, 7706008, 9632510, 19265020, 38530040]

約数ペア:

[(1, 38530040), (2, 19265020), (4, 9632510), (5, 7706008), (8, 4816255), (10, 3853004), (20, 1926502), (40, 963251), (61, 631640), (122, 315820), (244, 157910), (305, 126328), (488, 78955), (610, 63164), (1220, 31582), (2440, 15791)]