214960040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{64747}}^1$

素因数の和:64841

約数の個数: 32

約数和(自身を含む): 489494880

約数和(自身を除く): 274534840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 64747, 129494, 258988, 323735, 517976, 647470, 1294940, 2589880, 5374001, 10748002, 21496004, 26870005, 42992008, 53740010, 107480020, 214960040]

約数ペア:

[(1, 214960040), (2, 107480020), (4, 53740010), (5, 42992008), (8, 26870005), (10, 21496004), (20, 10748002), (40, 5374001), (83, 2589880), (166, 1294940), (332, 647470), (415, 517976), (664, 323735), (830, 258988), (1660, 129494), (3320, 64747)]