39612872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20085

約数の個数: 32

約数和(自身を含む): 84201600

約数和(自身を除く): 44588728

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20047, 40094, 80188, 160376, 260611, 380893, 521222, 761786, 1042444, 1523572, 2084888, 3047144, 4951609, 9903218, 19806436, 39612872]

約数ペア:

[(1, 39612872), (2, 19806436), (4, 9903218), (8, 4951609), (13, 3047144), (19, 2084888), (26, 1523572), (38, 1042444), (52, 761786), (76, 521222), (104, 380893), (152, 260611), (247, 160376), (494, 80188), (988, 40094), (1976, 20047)]