49175920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 119992320

約数和(自身を除く): 70816400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 251, 310, 316, 395, 496, 502, 620, 632, 790, 1004, 1240, 1255, 1264, 1580, 2008, 2449, 2480, 2510, 3160, 4016, 4898, 5020, 6320, 7781, 9796, 10040, 12245, 15562, 19592, 19829, 20080, 24490, 31124, 38905, 39184, 39658, 48980, 62248, 77810, 79316, 97960, 99145, 124496, 155620, 158632, 195920, 198290, 311240, 317264, 396580, 614699, 622480, 793160, 1229398, 1586320, 2458796, 3073495, 4917592, 6146990, 9835184, 12293980, 24587960, 49175920]

約数ペア:

[(1, 49175920), (2, 24587960), (4, 12293980), (5, 9835184), (8, 6146990), (10, 4917592), (16, 3073495), (20, 2458796), (31, 1586320), (40, 1229398), (62, 793160), (79, 622480), (80, 614699), (124, 396580), (155, 317264), (158, 311240), (248, 198290), (251, 195920), (310, 158632), (316, 155620), (395, 124496), (496, 99145), (502, 97960), (620, 79316), (632, 77810), (790, 62248), (1004, 48980), (1240, 39658), (1255, 39184), (1264, 38905), (1580, 31124), (2008, 24490), (2449, 20080), (2480, 19829), (2510, 19592), (3160, 15562), (4016, 12245), (4898, 10040), (5020, 9796), (6320, 7781)]