64020580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 153538560

約数和(自身を除く): 89517980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 47, 52, 62, 65, 94, 124, 130, 155, 169, 188, 235, 260, 310, 338, 403, 470, 611, 620, 676, 806, 845, 940, 1222, 1457, 1612, 1690, 2015, 2197, 2444, 2914, 3055, 3380, 4030, 4394, 5239, 5828, 6110, 7285, 7943, 8060, 8788, 10478, 10985, 12220, 14570, 15886, 18941, 20956, 21970, 26195, 29140, 31772, 37882, 39715, 43940, 52390, 68107, 75764, 79430, 94705, 103259, 104780, 136214, 158860, 189410, 206518, 246233, 272428, 340535, 378820, 413036, 492466, 516295, 681070, 984932, 1032590, 1231165, 1362140, 2065180, 2462330, 3201029, 4924660, 6402058, 12804116, 16005145, 32010290, 64020580]

約数ペア:

[(1, 64020580), (2, 32010290), (4, 16005145), (5, 12804116), (10, 6402058), (13, 4924660), (20, 3201029), (26, 2462330), (31, 2065180), (47, 1362140), (52, 1231165), (62, 1032590), (65, 984932), (94, 681070), (124, 516295), (130, 492466), (155, 413036), (169, 378820), (188, 340535), (235, 272428), (260, 246233), (310, 206518), (338, 189410), (403, 158860), (470, 136214), (611, 104780), (620, 103259), (676, 94705), (806, 79430), (845, 75764), (940, 68107), (1222, 52390), (1457, 43940), (1612, 39715), (1690, 37882), (2015, 31772), (2197, 29140), (2444, 26195), (2914, 21970), (3055, 20956), (3380, 18941), (4030, 15886), (4394, 14570), (5239, 12220), (5828, 10985), (6110, 10478), (7285, 8788), (7943, 8060)]