888945040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 2096937216

約数和(自身を除く): 1207992176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 271, 313, 524, 542, 626, 655, 1048, 1084, 1252, 1310, 1355, 1565, 2096, 2168, 2504, 2620, 2710, 3130, 4336, 5008, 5240, 5420, 6260, 10480, 10840, 12520, 21680, 25040, 35501, 41003, 71002, 82006, 84823, 142004, 164012, 169646, 177505, 205015, 284008, 328024, 339292, 355010, 410030, 424115, 568016, 656048, 678584, 710020, 820060, 848230, 1357168, 1420040, 1640120, 1696460, 2840080, 3280240, 3392920, 6785840, 11111813, 22223626, 44447252, 55559065, 88894504, 111118130, 177789008, 222236260, 444472520, 888945040]

約数ペア:

[(1, 888945040), (2, 444472520), (4, 222236260), (5, 177789008), (8, 111118130), (10, 88894504), (16, 55559065), (20, 44447252), (40, 22223626), (80, 11111813), (131, 6785840), (262, 3392920), (271, 3280240), (313, 2840080), (524, 1696460), (542, 1640120), (626, 1420040), (655, 1357168), (1048, 848230), (1084, 820060), (1252, 710020), (1310, 678584), (1355, 656048), (1565, 568016), (2096, 424115), (2168, 410030), (2504, 355010), (2620, 339292), (2710, 328024), (3130, 284008), (4336, 205015), (5008, 177505), (5240, 169646), (5420, 164012), (6260, 142004), (10480, 84823), (10840, 82006), (12520, 71002), (21680, 41003), (25040, 35501)]