25712680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 66718080

約数和(自身を除く): 41005400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 701, 917, 1048, 1310, 1402, 1834, 2620, 2804, 3505, 3668, 4585, 4907, 5240, 5608, 7010, 7336, 9170, 9814, 14020, 18340, 19628, 24535, 28040, 36680, 39256, 49070, 91831, 98140, 183662, 196280, 367324, 459155, 642817, 734648, 918310, 1285634, 1836620, 2571268, 3214085, 3673240, 5142536, 6428170, 12856340, 25712680]

約数ペア:

[(1, 25712680), (2, 12856340), (4, 6428170), (5, 5142536), (7, 3673240), (8, 3214085), (10, 2571268), (14, 1836620), (20, 1285634), (28, 918310), (35, 734648), (40, 642817), (56, 459155), (70, 367324), (131, 196280), (140, 183662), (262, 98140), (280, 91831), (524, 49070), (655, 39256), (701, 36680), (917, 28040), (1048, 24535), (1310, 19628), (1402, 18340), (1834, 14020), (2620, 9814), (2804, 9170), (3505, 7336), (3668, 7010), (4585, 5608), (4907, 5240)]