78532520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10499}}^1$

素因数の和:10538

約数の個数: 64

約数和(自身を含む): 204120000

約数和(自身を除く): 125587480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 10499, 20998, 41996, 52495, 83992, 104990, 115489, 178483, 209980, 230978, 356966, 419960, 461956, 577445, 713932, 892415, 923912, 1154890, 1427864, 1784830, 1963313, 2309780, 3569660, 3926626, 4619560, 7139320, 7853252, 9816565, 15706504, 19633130, 39266260, 78532520]

約数ペア:

[(1, 78532520), (2, 39266260), (4, 19633130), (5, 15706504), (8, 9816565), (10, 7853252), (11, 7139320), (17, 4619560), (20, 3926626), (22, 3569660), (34, 2309780), (40, 1963313), (44, 1784830), (55, 1427864), (68, 1154890), (85, 923912), (88, 892415), (110, 713932), (136, 577445), (170, 461956), (187, 419960), (220, 356966), (340, 230978), (374, 209980), (440, 178483), (680, 115489), (748, 104990), (935, 83992), (1496, 52495), (1870, 41996), (3740, 20998), (7480, 10499)]