64798240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31153}}^1$

素因数の和:31181

約数の個数: 48

約数和(自身を含む): 164866968

約数和(自身を除く): 100068728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 31153, 62306, 124612, 155765, 249224, 311530, 404989, 498448, 623060, 809978, 996896, 1246120, 1619956, 2024945, 2492240, 3239912, 4049890, 4984480, 6479824, 8099780, 12959648, 16199560, 32399120, 64798240]

約数ペア:

[(1, 64798240), (2, 32399120), (4, 16199560), (5, 12959648), (8, 8099780), (10, 6479824), (13, 4984480), (16, 4049890), (20, 3239912), (26, 2492240), (32, 2024945), (40, 1619956), (52, 1246120), (65, 996896), (80, 809978), (104, 623060), (130, 498448), (160, 404989), (208, 311530), (260, 249224), (416, 155765), (520, 124612), (1040, 62306), (2080, 31153)]