980749640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{1597}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 2379933360

約数和(自身を除く): 1399183720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1181, 1597, 2362, 3194, 4724, 5905, 6388, 7985, 9448, 11810, 12776, 15353, 15970, 20761, 23620, 30706, 31940, 41522, 47240, 61412, 63880, 76765, 83044, 103805, 122824, 153530, 166088, 207610, 307060, 415220, 614120, 830440, 1886057, 3772114, 7544228, 9430285, 15088456, 18860570, 24518741, 37721140, 49037482, 75442280, 98074964, 122593705, 196149928, 245187410, 490374820, 980749640]

約数ペア:

[(1, 980749640), (2, 490374820), (4, 245187410), (5, 196149928), (8, 122593705), (10, 98074964), (13, 75442280), (20, 49037482), (26, 37721140), (40, 24518741), (52, 18860570), (65, 15088456), (104, 9430285), (130, 7544228), (260, 3772114), (520, 1886057), (1181, 830440), (1597, 614120), (2362, 415220), (3194, 307060), (4724, 207610), (5905, 166088), (6388, 153530), (7985, 122824), (9448, 103805), (11810, 83044), (12776, 76765), (15353, 63880), (15970, 61412), (20761, 47240), (23620, 41522), (30706, 31940)]