78536120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7949}}^1$

素因数の和:7992

約数の個数: 64

約数和(自身を含む): 200340000

約数和(自身を除く): 121803880

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, 7949, 9880, 15898, 31796, 39745, 63592, 79490, 103337, 151031, 158980, 206674, 302062, 317960, 413348, 516685, 604124, 755155, 826696, 1033370, 1208248, 1510310, 1963403, 2066740, 3020620, 3926806, 4133480, 6041240, 7853612, 9817015, 15707224, 19634030, 39268060, 78536120]

約数ペア:

[(1, 78536120), (2, 39268060), (4, 19634030), (5, 15707224), (8, 9817015), (10, 7853612), (13, 6041240), (19, 4133480), (20, 3926806), (26, 3020620), (38, 2066740), (40, 1963403), (52, 1510310), (65, 1208248), (76, 1033370), (95, 826696), (104, 755155), (130, 604124), (152, 516685), (190, 413348), (247, 317960), (260, 302062), (380, 206674), (494, 158980), (520, 151031), (760, 103337), (988, 79490), (1235, 63592), (1976, 39745), (2470, 31796), (4940, 15898), (7949, 9880)]