48704840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19961}}^1$

素因数の和:20033

約数の個数: 32

約数和(自身を含む): 111387960

約数和(自身を除く): 62683120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 19961, 39922, 79844, 99805, 159688, 199610, 399220, 798440, 1217621, 2435242, 4870484, 6088105, 9740968, 12176210, 24352420, 48704840]

約数ペア:

[(1, 48704840), (2, 24352420), (4, 12176210), (5, 9740968), (8, 6088105), (10, 4870484), (20, 2435242), (40, 1217621), (61, 798440), (122, 399220), (244, 199610), (305, 159688), (488, 99805), (610, 79844), (1220, 39922), (2440, 19961)]