25242680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20357}}^1$

素因数の和:20399

約数の個数: 32

約数和(自身を含む): 58631040

約数和(自身を除く): 33388360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20357, 40714, 81428, 101785, 162856, 203570, 407140, 631067, 814280, 1262134, 2524268, 3155335, 5048536, 6310670, 12621340, 25242680]

約数ペア:

[(1, 25242680), (2, 12621340), (4, 6310670), (5, 5048536), (8, 3155335), (10, 2524268), (20, 1262134), (31, 814280), (40, 631067), (62, 407140), (124, 203570), (155, 162856), (248, 101785), (310, 81428), (620, 40714), (1240, 20357)]