40827020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 95183424

約数和(自身を除く): 54356404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 257, 260, 338, 470, 514, 611, 676, 845, 940, 1028, 1222, 1285, 1690, 2444, 2570, 3055, 3341, 3380, 5140, 6110, 6682, 7943, 12079, 12220, 13364, 15886, 16705, 24158, 31772, 33410, 39715, 43433, 48316, 60395, 66820, 79430, 86866, 120790, 157027, 158860, 173732, 217165, 241580, 314054, 434330, 628108, 785135, 868660, 1570270, 2041351, 3140540, 4082702, 8165404, 10206755, 20413510, 40827020]

約数ペア:

[(1, 40827020), (2, 20413510), (4, 10206755), (5, 8165404), (10, 4082702), (13, 3140540), (20, 2041351), (26, 1570270), (47, 868660), (52, 785135), (65, 628108), (94, 434330), (130, 314054), (169, 241580), (188, 217165), (235, 173732), (257, 158860), (260, 157027), (338, 120790), (470, 86866), (514, 79430), (611, 66820), (676, 60395), (845, 48316), (940, 43433), (1028, 39715), (1222, 33410), (1285, 31772), (1690, 24158), (2444, 16705), (2570, 15886), (3055, 13364), (3341, 12220), (3380, 12079), (5140, 7943), (6110, 6682)]