216333520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16001}}^1$

素因数の和:16040

約数の個数: 60

約数和(自身を含む): 544676076

約数和(自身を除く): 328342556

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 16001, 32002, 64004, 80005, 128008, 160010, 208013, 256016, 320020, 416026, 640040, 832052, 1040065, 1280080, 1664104, 2080130, 2704169, 3328208, 4160260, 5408338, 8320520, 10816676, 13520845, 16641040, 21633352, 27041690, 43266704, 54083380, 108166760, 216333520]

約数ペア:

[(1, 216333520), (2, 108166760), (4, 54083380), (5, 43266704), (8, 27041690), (10, 21633352), (13, 16641040), (16, 13520845), (20, 10816676), (26, 8320520), (40, 5408338), (52, 4160260), (65, 3328208), (80, 2704169), (104, 2080130), (130, 1664104), (169, 1280080), (208, 1040065), (260, 832052), (338, 640040), (520, 416026), (676, 320020), (845, 256016), (1040, 208013), (1352, 160010), (1690, 128008), (2704, 80005), (3380, 64004), (6760, 32002), (13520, 16001)]