16900520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4643}}^1$

素因数の和:4674

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 29911000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4643, 9286, 18572, 23215, 32501, 37144, 46430, 60359, 65002, 92860, 120718, 130004, 162505, 185720, 241436, 260008, 301795, 325010, 422513, 482872, 603590, 650020, 845026, 1207180, 1300040, 1690052, 2112565, 2414360, 3380104, 4225130, 8450260, 16900520]

約数ペア:

[(1, 16900520), (2, 8450260), (4, 4225130), (5, 3380104), (7, 2414360), (8, 2112565), (10, 1690052), (13, 1300040), (14, 1207180), (20, 845026), (26, 650020), (28, 603590), (35, 482872), (40, 422513), (52, 325010), (56, 301795), (65, 260008), (70, 241436), (91, 185720), (104, 162505), (130, 130004), (140, 120718), (182, 92860), (260, 65002), (280, 60359), (364, 46430), (455, 37144), (520, 32501), (728, 23215), (910, 18572), (1820, 9286), (3640, 4643)]