7121566960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1\times {\mathrm{1987}}^1$

素因数の和:2702

約数の個数: 80

約数和(自身を含む): 16825923072

約数和(自身を除く): 9704356112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 631, 710, 1136, 1262, 1420, 1987, 2524, 2840, 3155, 3974, 5048, 5680, 6310, 7948, 9935, 10096, 12620, 15896, 19870, 25240, 31792, 39740, 44801, 50480, 79480, 89602, 141077, 158960, 179204, 224005, 282154, 358408, 448010, 564308, 705385, 716816, 896020, 1128616, 1253797, 1410770, 1792040, 2257232, 2507594, 2821540, 3584080, 5015188, 5643080, 6268985, 10030376, 11286160, 12537970, 20060752, 25075940, 50151880, 89019587, 100303760, 178039174, 356078348, 445097935, 712156696, 890195870, 1424313392, 1780391740, 3560783480, 7121566960]

約数ペア:

[(1, 7121566960), (2, 3560783480), (4, 1780391740), (5, 1424313392), (8, 890195870), (10, 712156696), (16, 445097935), (20, 356078348), (40, 178039174), (71, 100303760), (80, 89019587), (142, 50151880), (284, 25075940), (355, 20060752), (568, 12537970), (631, 11286160), (710, 10030376), (1136, 6268985), (1262, 5643080), (1420, 5015188), (1987, 3584080), (2524, 2821540), (2840, 2507594), (3155, 2257232), (3974, 1792040), (5048, 1410770), (5680, 1253797), (6310, 1128616), (7948, 896020), (9935, 716816), (10096, 705385), (12620, 564308), (15896, 448010), (19870, 358408), (25240, 282154), (31792, 224005), (39740, 179204), (44801, 158960), (50480, 141077), (79480, 89602)]