39429520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 101993472

約数和(自身を除く): 62563952

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, 1223, 1240, 1612, 2015, 2446, 2480, 3224, 4030, 4892, 6115, 6448, 8060, 9784, 12230, 15899, 16120, 19568, 24460, 31798, 32240, 37913, 48920, 63596, 75826, 79495, 97840, 127192, 151652, 158990, 189565, 254384, 303304, 317980, 379130, 492869, 606608, 635960, 758260, 985738, 1271920, 1516520, 1971476, 2464345, 3033040, 3942952, 4928690, 7885904, 9857380, 19714760, 39429520]

約数ペア:

[(1, 39429520), (2, 19714760), (4, 9857380), (5, 7885904), (8, 4928690), (10, 3942952), (13, 3033040), (16, 2464345), (20, 1971476), (26, 1516520), (31, 1271920), (40, 985738), (52, 758260), (62, 635960), (65, 606608), (80, 492869), (104, 379130), (124, 317980), (130, 303304), (155, 254384), (208, 189565), (248, 158990), (260, 151652), (310, 127192), (403, 97840), (496, 79495), (520, 75826), (620, 63596), (806, 48920), (1040, 37913), (1223, 32240), (1240, 31798), (1612, 24460), (2015, 19568), (2446, 16120), (2480, 15899), (3224, 12230), (4030, 9784), (4892, 8060), (6115, 6448)]