40209780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51551}}^1$

素因数の和:51576

約数の個数: 48

約数和(自身を含む): 121250304

約数和(自身を除く): 81040524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51551, 103102, 154653, 206204, 257755, 309306, 515510, 618612, 670163, 773265, 1031020, 1340326, 1546530, 2010489, 2680652, 3093060, 3350815, 4020978, 6701630, 8041956, 10052445, 13403260, 20104890, 40209780]

約数ペア:

[(1, 40209780), (2, 20104890), (3, 13403260), (4, 10052445), (5, 8041956), (6, 6701630), (10, 4020978), (12, 3350815), (13, 3093060), (15, 2680652), (20, 2010489), (26, 1546530), (30, 1340326), (39, 1031020), (52, 773265), (60, 670163), (65, 618612), (78, 515510), (130, 309306), (156, 257755), (195, 206204), (260, 154653), (390, 103102), (780, 51551)]