2800607680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{673223}}^1$

素因数の和:673253

約数の個数: 56

約数和(自身を含む): 7181953632

約数和(自身を除く): 4381345952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 673223, 1346446, 2692892, 3366115, 5385784, 6732230, 8751899, 10771568, 13464460, 17503798, 21543136, 26928920, 35007596, 43086272, 43759495, 53857840, 70015192, 87518990, 107715680, 140030384, 175037980, 215431360, 280060768, 350075960, 560121536, 700151920, 1400303840, 2800607680]

約数ペア:

[(1, 2800607680), (2, 1400303840), (4, 700151920), (5, 560121536), (8, 350075960), (10, 280060768), (13, 215431360), (16, 175037980), (20, 140030384), (26, 107715680), (32, 87518990), (40, 70015192), (52, 53857840), (64, 43759495), (65, 43086272), (80, 35007596), (104, 26928920), (130, 21543136), (160, 17503798), (208, 13464460), (260, 10771568), (320, 8751899), (416, 6732230), (520, 5385784), (832, 3366115), (1040, 2692892), (2080, 1346446), (4160, 673223)]