78970840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7993}}^1$

素因数の和:8036

約数の個数: 64

約数和(自身を含む): 201448800

約数和(自身を除く): 122477960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7993, 9880, 15986, 31972, 39965, 63944, 79930, 103909, 151867, 159860, 207818, 303734, 319720, 415636, 519545, 607468, 759335, 831272, 1039090, 1214936, 1518670, 1974271, 2078180, 3037340, 3948542, 4156360, 6074680, 7897084, 9871355, 15794168, 19742710, 39485420, 78970840]

約数ペア:

[(1, 78970840), (2, 39485420), (4, 19742710), (5, 15794168), (8, 9871355), (10, 7897084), (13, 6074680), (19, 4156360), (20, 3948542), (26, 3037340), (38, 2078180), (40, 1974271), (52, 1518670), (65, 1214936), (76, 1039090), (95, 831272), (104, 759335), (130, 607468), (152, 519545), (190, 415636), (247, 319720), (260, 303734), (380, 207818), (494, 159860), (520, 151867), (760, 103909), (988, 79930), (1235, 63944), (1976, 39965), (2470, 31972), (4940, 15986), (7993, 9880)]