39873860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 92969856

約数和(自身を除く): 53095996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 251, 260, 338, 470, 502, 611, 676, 845, 940, 1004, 1222, 1255, 1690, 2444, 2510, 3055, 3263, 3380, 5020, 6110, 6526, 7943, 11797, 12220, 13052, 15886, 16315, 23594, 31772, 32630, 39715, 42419, 47188, 58985, 65260, 79430, 84838, 117970, 153361, 158860, 169676, 212095, 235940, 306722, 424190, 613444, 766805, 848380, 1533610, 1993693, 3067220, 3987386, 7974772, 9968465, 19936930, 39873860]

約数ペア:

[(1, 39873860), (2, 19936930), (4, 9968465), (5, 7974772), (10, 3987386), (13, 3067220), (20, 1993693), (26, 1533610), (47, 848380), (52, 766805), (65, 613444), (94, 424190), (130, 306722), (169, 235940), (188, 212095), (235, 169676), (251, 158860), (260, 153361), (338, 117970), (470, 84838), (502, 79430), (611, 65260), (676, 58985), (845, 47188), (940, 42419), (1004, 39715), (1222, 32630), (1255, 31772), (1690, 23594), (2444, 16315), (2510, 15886), (3055, 13052), (3263, 12220), (3380, 11797), (5020, 7943), (6110, 6526)]