40891040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13451}}^1$

素因数の和:13485

約数の個数: 48

約数和(自身を含む): 101697120

約数和(自身を除く): 60806080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 13451, 26902, 53804, 67255, 107608, 134510, 215216, 255569, 269020, 430432, 511138, 538040, 1022276, 1076080, 1277845, 2044552, 2152160, 2555690, 4089104, 5111380, 8178208, 10222760, 20445520, 40891040]

約数ペア:

[(1, 40891040), (2, 20445520), (4, 10222760), (5, 8178208), (8, 5111380), (10, 4089104), (16, 2555690), (19, 2152160), (20, 2044552), (32, 1277845), (38, 1076080), (40, 1022276), (76, 538040), (80, 511138), (95, 430432), (152, 269020), (160, 255569), (190, 215216), (304, 134510), (380, 107608), (608, 67255), (760, 53804), (1520, 26902), (3040, 13451)]