78999440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2053}}^1$

素因数の和:2116

約数の個数: 80

約数和(自身を含む): 203247408

約数和(自身を除く): 124247968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2053, 2405, 2960, 3848, 4106, 4810, 7696, 8212, 9620, 10265, 16424, 19240, 20530, 26689, 32848, 38480, 41060, 53378, 75961, 82120, 106756, 133445, 151922, 164240, 213512, 266890, 303844, 379805, 427024, 533780, 607688, 759610, 987493, 1067560, 1215376, 1519220, 1974986, 2135120, 3038440, 3949972, 4937465, 6076880, 7899944, 9874930, 15799888, 19749860, 39499720, 78999440]

約数ペア:

[(1, 78999440), (2, 39499720), (4, 19749860), (5, 15799888), (8, 9874930), (10, 7899944), (13, 6076880), (16, 4937465), (20, 3949972), (26, 3038440), (37, 2135120), (40, 1974986), (52, 1519220), (65, 1215376), (74, 1067560), (80, 987493), (104, 759610), (130, 607688), (148, 533780), (185, 427024), (208, 379805), (260, 303844), (296, 266890), (370, 213512), (481, 164240), (520, 151922), (592, 133445), (740, 106756), (962, 82120), (1040, 75961), (1480, 53378), (1924, 41060), (2053, 38480), (2405, 32848), (2960, 26689), (3848, 20530), (4106, 19240), (4810, 16424), (7696, 10265), (8212, 9620)]