2012959640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1\times {\mathrm{1979}}^1$

素因数の和:2480

約数の個数: 64

約数和(自身を含む): 4618944000

約数和(自身を除く): 2605984360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 431, 472, 590, 862, 1180, 1724, 1979, 2155, 2360, 3448, 3958, 4310, 7916, 8620, 9895, 15832, 17240, 19790, 25429, 39580, 50858, 79160, 101716, 116761, 127145, 203432, 233522, 254290, 467044, 508580, 583805, 852949, 934088, 1017160, 1167610, 1705898, 2335220, 3411796, 4264745, 4670440, 6823592, 8529490, 17058980, 34117960, 50323991, 100647982, 201295964, 251619955, 402591928, 503239910, 1006479820, 2012959640]

約数ペア:

[(1, 2012959640), (2, 1006479820), (4, 503239910), (5, 402591928), (8, 251619955), (10, 201295964), (20, 100647982), (40, 50323991), (59, 34117960), (118, 17058980), (236, 8529490), (295, 6823592), (431, 4670440), (472, 4264745), (590, 3411796), (862, 2335220), (1180, 1705898), (1724, 1167610), (1979, 1017160), (2155, 934088), (2360, 852949), (3448, 583805), (3958, 508580), (4310, 467044), (7916, 254290), (8620, 233522), (9895, 203432), (15832, 127145), (17240, 116761), (19790, 101716), (25429, 79160), (39580, 50858)]