25251760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 63612000

約数和(自身を除く): 38360240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 449, 592, 703, 740, 760, 898, 1406, 1480, 1520, 1796, 2245, 2812, 2960, 3515, 3592, 4490, 5624, 7030, 7184, 8531, 8980, 11248, 14060, 16613, 17062, 17960, 28120, 33226, 34124, 35920, 42655, 56240, 66452, 68248, 83065, 85310, 132904, 136496, 166130, 170620, 265808, 315647, 332260, 341240, 631294, 664520, 682480, 1262588, 1329040, 1578235, 2525176, 3156470, 5050352, 6312940, 12625880, 25251760]

約数ペア:

[(1, 25251760), (2, 12625880), (4, 6312940), (5, 5050352), (8, 3156470), (10, 2525176), (16, 1578235), (19, 1329040), (20, 1262588), (37, 682480), (38, 664520), (40, 631294), (74, 341240), (76, 332260), (80, 315647), (95, 265808), (148, 170620), (152, 166130), (185, 136496), (190, 132904), (296, 85310), (304, 83065), (370, 68248), (380, 66452), (449, 56240), (592, 42655), (703, 35920), (740, 34124), (760, 33226), (898, 28120), (1406, 17960), (1480, 17062), (1520, 16613), (1796, 14060), (2245, 11248), (2812, 8980), (2960, 8531), (3515, 7184), (3592, 7030), (4490, 5624)]