8218707920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{5351}}^1$

素因数の和:5700

約数の個数: 80

約数和(自身を含む): 19447540992

約数和(自身を除く): 11228833072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 263, 292, 365, 526, 584, 730, 1052, 1168, 1315, 1460, 2104, 2630, 2920, 4208, 5260, 5351, 5840, 10520, 10702, 19199, 21040, 21404, 26755, 38398, 42808, 53510, 76796, 85616, 95995, 107020, 153592, 191990, 214040, 307184, 383980, 390623, 428080, 767960, 781246, 1407313, 1535920, 1562492, 1953115, 2814626, 3124984, 3906230, 5629252, 6249968, 7036565, 7812460, 11258504, 14073130, 15624920, 22517008, 28146260, 31249840, 56292520, 102733849, 112585040, 205467698, 410935396, 513669245, 821870792, 1027338490, 1643741584, 2054676980, 4109353960, 8218707920]

約数ペア:

[(1, 8218707920), (2, 4109353960), (4, 2054676980), (5, 1643741584), (8, 1027338490), (10, 821870792), (16, 513669245), (20, 410935396), (40, 205467698), (73, 112585040), (80, 102733849), (146, 56292520), (263, 31249840), (292, 28146260), (365, 22517008), (526, 15624920), (584, 14073130), (730, 11258504), (1052, 7812460), (1168, 7036565), (1315, 6249968), (1460, 5629252), (2104, 3906230), (2630, 3124984), (2920, 2814626), (4208, 1953115), (5260, 1562492), (5351, 1535920), (5840, 1407313), (10520, 781246), (10702, 767960), (19199, 428080), (21040, 390623), (21404, 383980), (26755, 307184), (38398, 214040), (42808, 191990), (53510, 153592), (76796, 107020), (85616, 95995)]