415164880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{399197}}^1$

素因数の和:399223

約数の個数: 40

約数和(自身を含む): 1039511592

約数和(自身を除く): 624346712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 399197, 798394, 1596788, 1995985, 3193576, 3991970, 5189561, 6387152, 7983940, 10379122, 15967880, 20758244, 25947805, 31935760, 41516488, 51895610, 83032976, 103791220, 207582440, 415164880]

約数ペア:

[(1, 415164880), (2, 207582440), (4, 103791220), (5, 83032976), (8, 51895610), (10, 41516488), (13, 31935760), (16, 25947805), (20, 20758244), (26, 15967880), (40, 10379122), (52, 7983940), (65, 6387152), (80, 5189561), (104, 3991970), (130, 3193576), (208, 1995985), (260, 1596788), (520, 798394), (1040, 399197)]