91444480

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 220752000

約数和(自身を除く): 129307520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 359, 398, 640, 718, 796, 995, 1280, 1436, 1592, 1795, 1990, 2872, 3184, 3590, 3980, 5744, 6368, 7180, 7960, 11488, 12736, 14360, 15920, 22976, 25472, 28720, 31840, 45952, 50944, 57440, 63680, 71441, 91904, 114880, 127360, 142882, 229760, 254720, 285764, 357205, 459520, 571528, 714410, 1143056, 1428820, 2286112, 2857640, 4572224, 5715280, 9144448, 11430560, 18288896, 22861120, 45722240, 91444480]

約数ペア:

[(1, 91444480), (2, 45722240), (4, 22861120), (5, 18288896), (8, 11430560), (10, 9144448), (16, 5715280), (20, 4572224), (32, 2857640), (40, 2286112), (64, 1428820), (80, 1143056), (128, 714410), (160, 571528), (199, 459520), (256, 357205), (320, 285764), (359, 254720), (398, 229760), (640, 142882), (718, 127360), (796, 114880), (995, 91904), (1280, 71441), (1436, 63680), (1592, 57440), (1795, 50944), (1990, 45952), (2872, 31840), (3184, 28720), (3590, 25472), (3980, 22976), (5744, 15920), (6368, 14360), (7180, 12736), (7960, 11488)]