39745720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 111513600

約数和(自身を除く): 71767880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 241, 248, 266, 280, 310, 380, 434, 482, 532, 589, 620, 665, 760, 868, 964, 1064, 1085, 1178, 1205, 1240, 1330, 1687, 1736, 1928, 2170, 2356, 2410, 2660, 2945, 3374, 4123, 4340, 4579, 4712, 4820, 5320, 5890, 6748, 7471, 8246, 8435, 8680, 9158, 9640, 11780, 13496, 14942, 16492, 16870, 18316, 20615, 22895, 23560, 29884, 32053, 32984, 33740, 36632, 37355, 41230, 45790, 52297, 59768, 64106, 67480, 74710, 82460, 91580, 104594, 128212, 141949, 149420, 160265, 164920, 183160, 209188, 256424, 261485, 283898, 298840, 320530, 418376, 522970, 567796, 641060, 709745, 993643, 1045940, 1135592, 1282120, 1419490, 1987286, 2091880, 2838980, 3974572, 4968215, 5677960, 7949144, 9936430, 19872860, 39745720]

約数ペア:

[(1, 39745720), (2, 19872860), (4, 9936430), (5, 7949144), (7, 5677960), (8, 4968215), (10, 3974572), (14, 2838980), (19, 2091880), (20, 1987286), (28, 1419490), (31, 1282120), (35, 1135592), (38, 1045940), (40, 993643), (56, 709745), (62, 641060), (70, 567796), (76, 522970), (95, 418376), (124, 320530), (133, 298840), (140, 283898), (152, 261485), (155, 256424), (190, 209188), (217, 183160), (241, 164920), (248, 160265), (266, 149420), (280, 141949), (310, 128212), (380, 104594), (434, 91580), (482, 82460), (532, 74710), (589, 67480), (620, 64106), (665, 59768), (760, 52297), (868, 45790), (964, 41230), (1064, 37355), (1085, 36632), (1178, 33740), (1205, 32984), (1240, 32053), (1330, 29884), (1687, 23560), (1736, 22895), (1928, 20615), (2170, 18316), (2356, 16870), (2410, 16492), (2660, 14942), (2945, 13496), (3374, 11780), (4123, 9640), (4340, 9158), (4579, 8680), (4712, 8435), (4820, 8246), (5320, 7471), (5890, 6748)]