25003240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 34871960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 197, 334, 380, 394, 668, 760, 788, 835, 985, 1336, 1576, 1670, 1970, 3173, 3340, 3743, 3940, 6346, 6680, 7486, 7880, 12692, 14972, 15865, 18715, 25384, 29944, 31730, 32899, 37430, 63460, 65798, 74860, 126920, 131596, 149720, 164495, 263192, 328990, 625081, 657980, 1250162, 1315960, 2500324, 3125405, 5000648, 6250810, 12501620, 25003240]

約数ペア:

[(1, 25003240), (2, 12501620), (4, 6250810), (5, 5000648), (8, 3125405), (10, 2500324), (19, 1315960), (20, 1250162), (38, 657980), (40, 625081), (76, 328990), (95, 263192), (152, 164495), (167, 149720), (190, 131596), (197, 126920), (334, 74860), (380, 65798), (394, 63460), (668, 37430), (760, 32899), (788, 31730), (835, 29944), (985, 25384), (1336, 18715), (1576, 15865), (1670, 14972), (1970, 12692), (3173, 7880), (3340, 7486), (3743, 6680), (3940, 6346)]