12400440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7949}}^1$

素因数の和:7976

約数の個数: 64

約数和(自身を含む): 40068000

約数和(自身を除く): 27667560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 7949, 15898, 23847, 31796, 39745, 47694, 63592, 79490, 95388, 103337, 119235, 158980, 190776, 206674, 238470, 310011, 317960, 413348, 476940, 516685, 620022, 826696, 953880, 1033370, 1240044, 1550055, 2066740, 2480088, 3100110, 4133480, 6200220, 12400440]

約数ペア:

[(1, 12400440), (2, 6200220), (3, 4133480), (4, 3100110), (5, 2480088), (6, 2066740), (8, 1550055), (10, 1240044), (12, 1033370), (13, 953880), (15, 826696), (20, 620022), (24, 516685), (26, 476940), (30, 413348), (39, 317960), (40, 310011), (52, 238470), (60, 206674), (65, 190776), (78, 158980), (104, 119235), (120, 103337), (130, 95388), (156, 79490), (195, 63592), (260, 47694), (312, 39745), (390, 31796), (520, 23847), (780, 15898), (1560, 7949)]