1915511120

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{24659}}^1$

素因数の和:25643

約数の個数: 40

約数和(自身を含む): 4458330720

約数和(自身を除く): 2542819600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1942, 3884, 4855, 7768, 9710, 15536, 19420, 24659, 38840, 49318, 77680, 98636, 123295, 197272, 246590, 394544, 493180, 986360, 1972720, 23943889, 47887778, 95775556, 119719445, 191551112, 239438890, 383102224, 478877780, 957755560, 1915511120]

約数ペア:

[(1, 1915511120), (2, 957755560), (4, 478877780), (5, 383102224), (8, 239438890), (10, 191551112), (16, 119719445), (20, 95775556), (40, 47887778), (80, 23943889), (971, 1972720), (1942, 986360), (3884, 493180), (4855, 394544), (7768, 246590), (9710, 197272), (15536, 123295), (19420, 98636), (24659, 77680), (38840, 49318)]