15555800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 40414080

約数和(自身を除く): 24858280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 193, 200, 248, 260, 310, 325, 386, 403, 520, 620, 650, 772, 775, 806, 965, 1240, 1300, 1544, 1550, 1612, 1930, 2015, 2509, 2600, 3100, 3224, 3860, 4030, 4825, 5018, 5983, 6200, 7720, 8060, 9650, 10036, 10075, 11966, 12545, 16120, 19300, 20072, 20150, 23932, 25090, 29915, 38600, 40300, 47864, 50180, 59830, 62725, 77779, 80600, 100360, 119660, 125450, 149575, 155558, 239320, 250900, 299150, 311116, 388895, 501800, 598300, 622232, 777790, 1196600, 1555580, 1944475, 3111160, 3888950, 7777900, 15555800]

約数ペア:

[(1, 15555800), (2, 7777900), (4, 3888950), (5, 3111160), (8, 1944475), (10, 1555580), (13, 1196600), (20, 777790), (25, 622232), (26, 598300), (31, 501800), (40, 388895), (50, 311116), (52, 299150), (62, 250900), (65, 239320), (100, 155558), (104, 149575), (124, 125450), (130, 119660), (155, 100360), (193, 80600), (200, 77779), (248, 62725), (260, 59830), (310, 50180), (325, 47864), (386, 40300), (403, 38600), (520, 29915), (620, 25090), (650, 23932), (772, 20150), (775, 20072), (806, 19300), (965, 16120), (1240, 12545), (1300, 11966), (1544, 10075), (1550, 10036), (1612, 9650), (1930, 8060), (2015, 7720), (2509, 6200), (2600, 5983), (3100, 5018), (3224, 4825), (3860, 4030)]