51968420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2833

約数の個数: 72

約数和(自身を含む): 133680960

約数和(自身を除く): 81712540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 2791, 3724, 4655, 5582, 9310, 11164, 13955, 18620, 19537, 27910, 39074, 53029, 55820, 78148, 97685, 106058, 136759, 195370, 212116, 265145, 273518, 371203, 390740, 530290, 547036, 683795, 742406, 1060580, 1367590, 1484812, 1856015, 2598421, 2735180, 3712030, 5196842, 7424060, 10393684, 12992105, 25984210, 51968420]

約数ペア:

[(1, 51968420), (2, 25984210), (4, 12992105), (5, 10393684), (7, 7424060), (10, 5196842), (14, 3712030), (19, 2735180), (20, 2598421), (28, 1856015), (35, 1484812), (38, 1367590), (49, 1060580), (70, 742406), (76, 683795), (95, 547036), (98, 530290), (133, 390740), (140, 371203), (190, 273518), (196, 265145), (245, 212116), (266, 195370), (380, 136759), (490, 106058), (532, 97685), (665, 78148), (931, 55820), (980, 53029), (1330, 39074), (1862, 27910), (2660, 19537), (2791, 18620), (3724, 13955), (4655, 11164), (5582, 9310)]