2018528080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{12893}}^1$

素因数の和:13028

約数の個数: 80

約数和(自身を含む): 4988430720

約数和(自身を除く): 2969902640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 760, 824, 1030, 1520, 1648, 1957, 2060, 3914, 4120, 7828, 8240, 9785, 12893, 15656, 19570, 25786, 31312, 39140, 51572, 64465, 78280, 103144, 128930, 156560, 206288, 244967, 257860, 489934, 515720, 979868, 1031440, 1224835, 1327979, 1959736, 2449670, 2655958, 3919472, 4899340, 5311916, 6639895, 9798680, 10623832, 13279790, 19597360, 21247664, 25231601, 26559580, 50463202, 53119160, 100926404, 106238320, 126158005, 201852808, 252316010, 403705616, 504632020, 1009264040, 2018528080]

約数ペア:

[(1, 2018528080), (2, 1009264040), (4, 504632020), (5, 403705616), (8, 252316010), (10, 201852808), (16, 126158005), (19, 106238320), (20, 100926404), (38, 53119160), (40, 50463202), (76, 26559580), (80, 25231601), (95, 21247664), (103, 19597360), (152, 13279790), (190, 10623832), (206, 9798680), (304, 6639895), (380, 5311916), (412, 4899340), (515, 3919472), (760, 2655958), (824, 2449670), (1030, 1959736), (1520, 1327979), (1648, 1224835), (1957, 1031440), (2060, 979868), (3914, 515720), (4120, 489934), (7828, 257860), (8240, 244967), (9785, 206288), (12893, 156560), (15656, 128930), (19570, 103144), (25786, 78280), (31312, 64465), (39140, 51572)]