66885550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 128241792

約数和(自身を除く): 61356242

約数列:

[1, 2, 5, 10, 25, 50, 71, 83, 142, 166, 227, 355, 415, 454, 710, 830, 1135, 1775, 2075, 2270, 3550, 4150, 5675, 5893, 11350, 11786, 16117, 18841, 29465, 32234, 37682, 58930, 80585, 94205, 147325, 161170, 188410, 294650, 402925, 471025, 805850, 942050, 1337711, 2675422, 6688555, 13377110, 33442775, 66885550]

約数ペア:

[(1, 66885550), (2, 33442775), (5, 13377110), (10, 6688555), (25, 2675422), (50, 1337711), (71, 942050), (83, 805850), (142, 471025), (166, 402925), (227, 294650), (355, 188410), (415, 161170), (454, 147325), (710, 94205), (830, 80585), (1135, 58930), (1775, 37682), (2075, 32234), (2270, 29465), (3550, 18841), (4150, 16117), (5675, 11786), (5893, 11350)]