7875320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10787080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 71, 94, 118, 142, 188, 235, 236, 284, 295, 355, 376, 470, 472, 568, 590, 710, 940, 1180, 1420, 1880, 2360, 2773, 2840, 3337, 4189, 5546, 6674, 8378, 11092, 13348, 13865, 16685, 16756, 20945, 22184, 26696, 27730, 33370, 33512, 41890, 55460, 66740, 83780, 110920, 133480, 167560, 196883, 393766, 787532, 984415, 1575064, 1968830, 3937660, 7875320]

約数ペア:

[(1, 7875320), (2, 3937660), (4, 1968830), (5, 1575064), (8, 984415), (10, 787532), (20, 393766), (40, 196883), (47, 167560), (59, 133480), (71, 110920), (94, 83780), (118, 66740), (142, 55460), (188, 41890), (235, 33512), (236, 33370), (284, 27730), (295, 26696), (355, 22184), (376, 20945), (470, 16756), (472, 16685), (568, 13865), (590, 13348), (710, 11092), (940, 8378), (1180, 6674), (1420, 5546), (1880, 4189), (2360, 3337), (2773, 2840)]