40576640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4877}}^1$

素因数の和:4909

約数の個数: 64

約数和(自身を含む): 104486760

約数和(自身を除く): 63910120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 4877, 8320, 9754, 19508, 24385, 39016, 48770, 63401, 78032, 97540, 126802, 156064, 195080, 253604, 312128, 317005, 390160, 507208, 624256, 634010, 780320, 1014416, 1268020, 1560640, 2028832, 2536040, 3121280, 4057664, 5072080, 8115328, 10144160, 20288320, 40576640]

約数ペア:

[(1, 40576640), (2, 20288320), (4, 10144160), (5, 8115328), (8, 5072080), (10, 4057664), (13, 3121280), (16, 2536040), (20, 2028832), (26, 1560640), (32, 1268020), (40, 1014416), (52, 780320), (64, 634010), (65, 624256), (80, 507208), (104, 390160), (128, 317005), (130, 312128), (160, 253604), (208, 195080), (260, 156064), (320, 126802), (416, 97540), (520, 78032), (640, 63401), (832, 48770), (1040, 39016), (1664, 24385), (2080, 19508), (4160, 9754), (4877, 8320)]