2015318920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1\times {\mathrm{1753}}^1$

素因数の和:2506

約数の個数: 64

約数和(自身を含む): 4654344240

約数和(自身を除く): 2639025320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 701, 820, 1402, 1640, 1753, 2804, 3505, 3506, 5608, 7010, 7012, 8765, 14020, 14024, 17530, 28040, 28741, 35060, 57482, 70120, 71873, 114964, 143705, 143746, 229928, 287410, 287492, 359365, 574820, 574984, 718730, 1149640, 1228853, 1437460, 2457706, 2874920, 4915412, 6144265, 9830824, 12288530, 24577060, 49154120, 50382973, 100765946, 201531892, 251914865, 403063784, 503829730, 1007659460, 2015318920]

約数ペア:

[(1, 2015318920), (2, 1007659460), (4, 503829730), (5, 403063784), (8, 251914865), (10, 201531892), (20, 100765946), (40, 50382973), (41, 49154120), (82, 24577060), (164, 12288530), (205, 9830824), (328, 6144265), (410, 4915412), (701, 2874920), (820, 2457706), (1402, 1437460), (1640, 1228853), (1753, 1149640), (2804, 718730), (3505, 574984), (3506, 574820), (5608, 359365), (7010, 287492), (7012, 287410), (8765, 229928), (14020, 143746), (14024, 143705), (17530, 114964), (28040, 71873), (28741, 70120), (35060, 57482)]