2013159440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{6277}}^1$

素因数の和:6520

約数の個数: 80

約数和(自身を含む): 4951081920

約数和(自身を除く): 2937922480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 211, 304, 380, 422, 760, 844, 1055, 1520, 1688, 2110, 3376, 4009, 4220, 6277, 8018, 8440, 12554, 16036, 16880, 20045, 25108, 31385, 32072, 40090, 50216, 62770, 64144, 80180, 100432, 119263, 125540, 160360, 238526, 251080, 320720, 477052, 502160, 596315, 954104, 1192630, 1324447, 1908208, 2385260, 2648894, 4770520, 5297788, 6622235, 9541040, 10595576, 13244470, 21191152, 25164493, 26488940, 50328986, 52977880, 100657972, 105955760, 125822465, 201315944, 251644930, 402631888, 503289860, 1006579720, 2013159440]

約数ペア:

[(1, 2013159440), (2, 1006579720), (4, 503289860), (5, 402631888), (8, 251644930), (10, 201315944), (16, 125822465), (19, 105955760), (20, 100657972), (38, 52977880), (40, 50328986), (76, 26488940), (80, 25164493), (95, 21191152), (152, 13244470), (190, 10595576), (211, 9541040), (304, 6622235), (380, 5297788), (422, 4770520), (760, 2648894), (844, 2385260), (1055, 1908208), (1520, 1324447), (1688, 1192630), (2110, 954104), (3376, 596315), (4009, 502160), (4220, 477052), (6277, 320720), (8018, 251080), (8440, 238526), (12554, 160360), (16036, 125540), (16880, 119263), (20045, 100432), (25108, 80180), (31385, 64144), (32072, 62770), (40090, 50216)]