2028520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 5080320

約数和(自身を除く): 3051800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 83, 94, 104, 130, 166, 188, 235, 260, 332, 376, 415, 470, 520, 611, 664, 830, 940, 1079, 1222, 1660, 1880, 2158, 2444, 3055, 3320, 3901, 4316, 4888, 5395, 6110, 7802, 8632, 10790, 12220, 15604, 19505, 21580, 24440, 31208, 39010, 43160, 50713, 78020, 101426, 156040, 202852, 253565, 405704, 507130, 1014260, 2028520]

約数ペア:

[(1, 2028520), (2, 1014260), (4, 507130), (5, 405704), (8, 253565), (10, 202852), (13, 156040), (20, 101426), (26, 78020), (40, 50713), (47, 43160), (52, 39010), (65, 31208), (83, 24440), (94, 21580), (104, 19505), (130, 15604), (166, 12220), (188, 10790), (235, 8632), (260, 7802), (332, 6110), (376, 5395), (415, 4888), (470, 4316), (520, 3901), (611, 3320), (664, 3055), (830, 2444), (940, 2158), (1079, 1880), (1222, 1660)]