91115440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1214

約数の個数: 80

約数和(自身を含む): 231235200

約数和(自身を除く): 140119760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1109, 1264, 1580, 2054, 2218, 3160, 4108, 4436, 5135, 5545, 6320, 8216, 8872, 10270, 11090, 14417, 16432, 17744, 20540, 22180, 28834, 41080, 44360, 57668, 72085, 82160, 87611, 88720, 115336, 144170, 175222, 230672, 288340, 350444, 438055, 576680, 700888, 876110, 1138943, 1153360, 1401776, 1752220, 2277886, 3504440, 4555772, 5694715, 7008880, 9111544, 11389430, 18223088, 22778860, 45557720, 91115440]

約数ペア:

[(1, 91115440), (2, 45557720), (4, 22778860), (5, 18223088), (8, 11389430), (10, 9111544), (13, 7008880), (16, 5694715), (20, 4555772), (26, 3504440), (40, 2277886), (52, 1752220), (65, 1401776), (79, 1153360), (80, 1138943), (104, 876110), (130, 700888), (158, 576680), (208, 438055), (260, 350444), (316, 288340), (395, 230672), (520, 175222), (632, 144170), (790, 115336), (1027, 88720), (1040, 87611), (1109, 82160), (1264, 72085), (1580, 57668), (2054, 44360), (2218, 41080), (3160, 28834), (4108, 22180), (4436, 20540), (5135, 17744), (5545, 16432), (6320, 14417), (8216, 11090), (8872, 10270)]