55128140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 119471520

約数和(自身を除く): 64343380

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 244, 292, 305, 365, 610, 619, 730, 1220, 1238, 1460, 2476, 3095, 4453, 6190, 8906, 12380, 17812, 22265, 37759, 44530, 45187, 75518, 89060, 90374, 151036, 180748, 188795, 225935, 377590, 451870, 755180, 903740, 2756407, 5512814, 11025628, 13782035, 27564070, 55128140]

約数ペア:

[(1, 55128140), (2, 27564070), (4, 13782035), (5, 11025628), (10, 5512814), (20, 2756407), (61, 903740), (73, 755180), (122, 451870), (146, 377590), (244, 225935), (292, 188795), (305, 180748), (365, 151036), (610, 90374), (619, 89060), (730, 75518), (1220, 45187), (1238, 44530), (1460, 37759), (2476, 22265), (3095, 17812), (4453, 12380), (6190, 8906)]