1819072240

素因数分解:

$2^4\times 5^1\times {\mathrm{4129}}^1\times {\mathrm{5507}}^1$

素因数の和:9649

約数の個数: 40

約数和(自身を含む): 4231135440

約数和(自身を除く): 2412063200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4129, 5507, 8258, 11014, 16516, 20645, 22028, 27535, 33032, 41290, 44056, 55070, 66064, 82580, 88112, 110140, 165160, 220280, 330320, 440560, 22738403, 45476806, 90953612, 113692015, 181907224, 227384030, 363814448, 454768060, 909536120, 1819072240]

約数ペア:

[(1, 1819072240), (2, 909536120), (4, 454768060), (5, 363814448), (8, 227384030), (10, 181907224), (16, 113692015), (20, 90953612), (40, 45476806), (80, 22738403), (4129, 440560), (5507, 330320), (8258, 220280), (11014, 165160), (16516, 110140), (20645, 88112), (22028, 82580), (27535, 66064), (33032, 55070), (41290, 44056)]