66188720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2110

約数の個数: 80

約数和(自身を含む): 171155712

約数和(自身を除く): 104966992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2053, 2480, 3224, 4030, 4106, 6448, 8060, 8212, 10265, 16120, 16424, 20530, 26689, 32240, 32848, 41060, 53378, 63643, 82120, 106756, 127286, 133445, 164240, 213512, 254572, 266890, 318215, 427024, 509144, 533780, 636430, 827359, 1018288, 1067560, 1272860, 1654718, 2135120, 2545720, 3309436, 4136795, 5091440, 6618872, 8273590, 13237744, 16547180, 33094360, 66188720]

約数ペア:

[(1, 66188720), (2, 33094360), (4, 16547180), (5, 13237744), (8, 8273590), (10, 6618872), (13, 5091440), (16, 4136795), (20, 3309436), (26, 2545720), (31, 2135120), (40, 1654718), (52, 1272860), (62, 1067560), (65, 1018288), (80, 827359), (104, 636430), (124, 533780), (130, 509144), (155, 427024), (208, 318215), (248, 266890), (260, 254572), (310, 213512), (403, 164240), (496, 133445), (520, 127286), (620, 106756), (806, 82120), (1040, 63643), (1240, 53378), (1612, 41060), (2015, 32848), (2053, 32240), (2480, 26689), (3224, 20530), (4030, 16424), (4106, 16120), (6448, 10265), (8060, 8212)]