2001039664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2591}}^1$

素因数の和:2738

約数の個数: 80

約数和(自身を含む): 4319723520

約数和(自身を除く): 2318683856

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 79, 94, 104, 158, 188, 208, 316, 376, 611, 632, 752, 1027, 1222, 1264, 2054, 2444, 2591, 3713, 4108, 4888, 5182, 7426, 8216, 9776, 10364, 14852, 16432, 20728, 29704, 33683, 41456, 48269, 59408, 67366, 96538, 121777, 134732, 193076, 204689, 243554, 269464, 386152, 409378, 487108, 538928, 772304, 818756, 974216, 1583101, 1637512, 1948432, 2660957, 3166202, 3275024, 5321914, 6332404, 9620383, 10643828, 12664808, 19240766, 21287656, 25329616, 38481532, 42575312, 76963064, 125064979, 153926128, 250129958, 500259916, 1000519832, 2001039664]

約数ペア:

[(1, 2001039664), (2, 1000519832), (4, 500259916), (8, 250129958), (13, 153926128), (16, 125064979), (26, 76963064), (47, 42575312), (52, 38481532), (79, 25329616), (94, 21287656), (104, 19240766), (158, 12664808), (188, 10643828), (208, 9620383), (316, 6332404), (376, 5321914), (611, 3275024), (632, 3166202), (752, 2660957), (1027, 1948432), (1222, 1637512), (1264, 1583101), (2054, 974216), (2444, 818756), (2591, 772304), (3713, 538928), (4108, 487108), (4888, 409378), (5182, 386152), (7426, 269464), (8216, 243554), (9776, 204689), (10364, 193076), (14852, 134732), (16432, 121777), (20728, 96538), (29704, 67366), (33683, 59408), (41456, 48269)]