320435425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 431972352

約数和(自身を除く): 111536927

約数列:

[1, 5, 23, 25, 47, 71, 115, 167, 235, 355, 575, 835, 1081, 1175, 1633, 1775, 3337, 3841, 4175, 5405, 7849, 8165, 11857, 16685, 19205, 27025, 39245, 40825, 59285, 76751, 83425, 96025, 180527, 196225, 272711, 296425, 383755, 557279, 902635, 1363555, 1918775, 2786395, 4513175, 6817775, 12817417, 13931975, 64087085, 320435425]

約数ペア:

[(1, 320435425), (5, 64087085), (23, 13931975), (25, 12817417), (47, 6817775), (71, 4513175), (115, 2786395), (167, 1918775), (235, 1363555), (355, 902635), (575, 557279), (835, 383755), (1081, 296425), (1175, 272711), (1633, 196225), (1775, 180527), (3337, 96025), (3841, 83425), (4175, 76751), (5405, 59285), (7849, 40825), (8165, 39245), (11857, 27025), (16685, 19205)]