2625040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 7053120

約数和(自身を除く): 4428080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 157, 176, 190, 209, 220, 304, 314, 380, 418, 440, 628, 760, 785, 836, 880, 1045, 1256, 1520, 1570, 1672, 1727, 2090, 2512, 2983, 3140, 3344, 3454, 4180, 5966, 6280, 6908, 8360, 8635, 11932, 12560, 13816, 14915, 16720, 17270, 23864, 27632, 29830, 32813, 34540, 47728, 59660, 65626, 69080, 119320, 131252, 138160, 164065, 238640, 262504, 328130, 525008, 656260, 1312520, 2625040]

約数ペア:

[(1, 2625040), (2, 1312520), (4, 656260), (5, 525008), (8, 328130), (10, 262504), (11, 238640), (16, 164065), (19, 138160), (20, 131252), (22, 119320), (38, 69080), (40, 65626), (44, 59660), (55, 47728), (76, 34540), (80, 32813), (88, 29830), (95, 27632), (110, 23864), (152, 17270), (157, 16720), (176, 14915), (190, 13816), (209, 12560), (220, 11932), (304, 8635), (314, 8360), (380, 6908), (418, 6280), (440, 5966), (628, 4180), (760, 3454), (785, 3344), (836, 3140), (880, 2983), (1045, 2512), (1256, 2090), (1520, 1727), (1570, 1672)]