1406952640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{258631}}^1$

素因数の和:258665

約数の個数: 56

約数和(自身を含む): 3547396512

約数和(自身を除く): 2140443872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 258631, 517262, 1034524, 1293155, 2069048, 2586310, 4138096, 4396727, 5172620, 8276192, 8793454, 10345240, 16552384, 17586908, 20690480, 21983635, 35173816, 41380960, 43967270, 70347632, 82761920, 87934540, 140695264, 175869080, 281390528, 351738160, 703476320, 1406952640]

約数ペア:

[(1, 1406952640), (2, 703476320), (4, 351738160), (5, 281390528), (8, 175869080), (10, 140695264), (16, 87934540), (17, 82761920), (20, 70347632), (32, 43967270), (34, 41380960), (40, 35173816), (64, 21983635), (68, 20690480), (80, 17586908), (85, 16552384), (136, 10345240), (160, 8793454), (170, 8276192), (272, 5172620), (320, 4396727), (340, 4138096), (544, 2586310), (680, 2069048), (1088, 1293155), (1360, 1034524), (2720, 517262), (5440, 258631)]