51659860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19421}}^1$

素因数の和:19456

約数の個数: 48

約数和(自身を含む): 130515840

約数和(自身を除く): 78855980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 19421, 38842, 77684, 97105, 135947, 194210, 271894, 368999, 388420, 543788, 679735, 737998, 1359470, 1475996, 1844995, 2582993, 2718940, 3689990, 5165986, 7379980, 10331972, 12914965, 25829930, 51659860]

約数ペア:

[(1, 51659860), (2, 25829930), (4, 12914965), (5, 10331972), (7, 7379980), (10, 5165986), (14, 3689990), (19, 2718940), (20, 2582993), (28, 1844995), (35, 1475996), (38, 1359470), (70, 737998), (76, 679735), (95, 543788), (133, 388420), (140, 368999), (190, 271894), (266, 194210), (380, 135947), (532, 97105), (665, 77684), (1330, 38842), (2660, 19421)]