2005013608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{21589}}^1$

素因数の和:21674

約数の個数: 64

約数和(自身を含む): 4352544000

約数和(自身を除く): 2347530392

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 247, 376, 494, 611, 893, 988, 1222, 1786, 1976, 2444, 3572, 4888, 7144, 11609, 21589, 23218, 43178, 46436, 86356, 92872, 172712, 280657, 410191, 561314, 820382, 1014683, 1122628, 1640764, 2029366, 2245256, 3281528, 4058732, 5332483, 8117464, 10664966, 13190879, 19278977, 21329932, 26381758, 38557954, 42659864, 52763516, 77115908, 105527032, 154231816, 250626701, 501253402, 1002506804, 2005013608]

約数ペア:

[(1, 2005013608), (2, 1002506804), (4, 501253402), (8, 250626701), (13, 154231816), (19, 105527032), (26, 77115908), (38, 52763516), (47, 42659864), (52, 38557954), (76, 26381758), (94, 21329932), (104, 19278977), (152, 13190879), (188, 10664966), (247, 8117464), (376, 5332483), (494, 4058732), (611, 3281528), (893, 2245256), (988, 2029366), (1222, 1640764), (1786, 1122628), (1976, 1014683), (2444, 820382), (3572, 561314), (4888, 410191), (7144, 280657), (11609, 172712), (21589, 92872), (23218, 86356), (43178, 46436)]