52878520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1697}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 128368800

約数和(自身を除く): 75490280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 1697, 3116, 3394, 3895, 6232, 6788, 7790, 8485, 13576, 15580, 16970, 31160, 32243, 33940, 64486, 67880, 69577, 128972, 139154, 161215, 257944, 278308, 322430, 347885, 556616, 644860, 695770, 1289720, 1321963, 1391540, 2643926, 2783080, 5287852, 6609815, 10575704, 13219630, 26439260, 52878520]

約数ペア:

[(1, 52878520), (2, 26439260), (4, 13219630), (5, 10575704), (8, 6609815), (10, 5287852), (19, 2783080), (20, 2643926), (38, 1391540), (40, 1321963), (41, 1289720), (76, 695770), (82, 644860), (95, 556616), (152, 347885), (164, 322430), (190, 278308), (205, 257944), (328, 161215), (380, 139154), (410, 128972), (760, 69577), (779, 67880), (820, 64486), (1558, 33940), (1640, 32243), (1697, 31160), (3116, 16970), (3394, 15580), (3895, 13576), (6232, 8485), (6788, 7790)]