12920608

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 14295392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 79, 152, 158, 269, 304, 316, 538, 608, 632, 1076, 1264, 1501, 2152, 2528, 3002, 4304, 5111, 6004, 8608, 10222, 12008, 20444, 21251, 24016, 40888, 42502, 48032, 81776, 85004, 163552, 170008, 340016, 403769, 680032, 807538, 1615076, 3230152, 6460304, 12920608]

約数ペア:

[(1, 12920608), (2, 6460304), (4, 3230152), (8, 1615076), (16, 807538), (19, 680032), (32, 403769), (38, 340016), (76, 170008), (79, 163552), (152, 85004), (158, 81776), (269, 48032), (304, 42502), (316, 40888), (538, 24016), (608, 21251), (632, 20444), (1076, 12008), (1264, 10222), (1501, 8608), (2152, 6004), (2528, 5111), (3002, 4304)]