71020780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{853}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 156671424

約数和(自身を除く): 85650644

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 724, 853, 905, 1706, 1810, 3412, 3620, 4163, 4265, 8326, 8530, 16652, 17060, 19619, 20815, 39238, 41630, 78476, 83260, 98095, 154393, 196190, 308786, 392380, 617572, 771965, 1543930, 3087860, 3551039, 7102078, 14204156, 17755195, 35510390, 71020780]

約数ペア:

[(1, 71020780), (2, 35510390), (4, 17755195), (5, 14204156), (10, 7102078), (20, 3551039), (23, 3087860), (46, 1543930), (92, 771965), (115, 617572), (181, 392380), (230, 308786), (362, 196190), (460, 154393), (724, 98095), (853, 83260), (905, 78476), (1706, 41630), (1810, 39238), (3412, 20815), (3620, 19619), (4163, 17060), (4265, 16652), (8326, 8530)]