25367920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 62353152

約数和(自身を除く): 36985232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 193, 212, 248, 265, 310, 386, 424, 496, 530, 620, 772, 848, 965, 1060, 1240, 1544, 1643, 1930, 2120, 2480, 3088, 3286, 3860, 4240, 5983, 6572, 7720, 8215, 10229, 11966, 13144, 15440, 16430, 20458, 23932, 26288, 29915, 32860, 40916, 47864, 51145, 59830, 65720, 81832, 95728, 102290, 119660, 131440, 163664, 204580, 239320, 317099, 409160, 478640, 634198, 818320, 1268396, 1585495, 2536792, 3170990, 5073584, 6341980, 12683960, 25367920]

約数ペア:

[(1, 25367920), (2, 12683960), (4, 6341980), (5, 5073584), (8, 3170990), (10, 2536792), (16, 1585495), (20, 1268396), (31, 818320), (40, 634198), (53, 478640), (62, 409160), (80, 317099), (106, 239320), (124, 204580), (155, 163664), (193, 131440), (212, 119660), (248, 102290), (265, 95728), (310, 81832), (386, 65720), (424, 59830), (496, 51145), (530, 47864), (620, 40916), (772, 32860), (848, 29915), (965, 26288), (1060, 23932), (1240, 20458), (1544, 16430), (1643, 15440), (1930, 13144), (2120, 11966), (2480, 10229), (3088, 8215), (3286, 7720), (3860, 6572), (4240, 5983)]