40718860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1721}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 105882336

約数和(自身を除く): 65163476

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1721, 1820, 2366, 3380, 3442, 4732, 5915, 6884, 8605, 11830, 12047, 17210, 22373, 23660, 24094, 34420, 44746, 48188, 60235, 89492, 111865, 120470, 156611, 223730, 240940, 290849, 313222, 447460, 581698, 626444, 783055, 1163396, 1454245, 1566110, 2035943, 2908490, 3132220, 4071886, 5816980, 8143772, 10179715, 20359430, 40718860]

約数ペア:

[(1, 40718860), (2, 20359430), (4, 10179715), (5, 8143772), (7, 5816980), (10, 4071886), (13, 3132220), (14, 2908490), (20, 2035943), (26, 1566110), (28, 1454245), (35, 1163396), (52, 783055), (65, 626444), (70, 581698), (91, 447460), (130, 313222), (140, 290849), (169, 240940), (182, 223730), (260, 156611), (338, 120470), (364, 111865), (455, 89492), (676, 60235), (845, 48188), (910, 44746), (1183, 34420), (1690, 24094), (1721, 23660), (1820, 22373), (2366, 17210), (3380, 12047), (3442, 11830), (4732, 8605), (5915, 6884)]