15913760

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 22188640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1259, 1264, 1580, 2518, 2528, 3160, 5036, 6295, 6320, 10072, 12590, 12640, 20144, 25180, 40288, 50360, 99461, 100720, 198922, 201440, 397844, 497305, 795688, 994610, 1591376, 1989220, 3182752, 3978440, 7956880, 15913760]

約数ペア:

[(1, 15913760), (2, 7956880), (4, 3978440), (5, 3182752), (8, 1989220), (10, 1591376), (16, 994610), (20, 795688), (32, 497305), (40, 397844), (79, 201440), (80, 198922), (158, 100720), (160, 99461), (316, 50360), (395, 40288), (632, 25180), (790, 20144), (1259, 12640), (1264, 12590), (1580, 10072), (2518, 6320), (2528, 6295), (3160, 5036)]