66783440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10567}}^1$

素因数の和:10659

約数の個数: 40

約数和(自身を含む): 157251840

約数和(自身を除く): 90468400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 10567, 21134, 42268, 52835, 84536, 105670, 169072, 211340, 422680, 834793, 845360, 1669586, 3339172, 4173965, 6678344, 8347930, 13356688, 16695860, 33391720, 66783440]

約数ペア:

[(1, 66783440), (2, 33391720), (4, 16695860), (5, 13356688), (8, 8347930), (10, 6678344), (16, 4173965), (20, 3339172), (40, 1669586), (79, 845360), (80, 834793), (158, 422680), (316, 211340), (395, 169072), (632, 105670), (790, 84536), (1264, 52835), (1580, 42268), (3160, 21134), (6320, 10567)]