51356320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 96

約数和(自身を含む): 130636800

約数和(自身を除く): 79280480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 79, 80, 85, 136, 158, 160, 170, 239, 272, 316, 340, 395, 478, 544, 632, 680, 790, 956, 1195, 1264, 1343, 1360, 1580, 1912, 2390, 2528, 2686, 2720, 3160, 3824, 4063, 4780, 5372, 6320, 6715, 7648, 8126, 9560, 10744, 12640, 13430, 16252, 18881, 19120, 20315, 21488, 26860, 32504, 37762, 38240, 40630, 42976, 53720, 65008, 75524, 81260, 94405, 107440, 130016, 151048, 162520, 188810, 214880, 302096, 320977, 325040, 377620, 604192, 641954, 650080, 755240, 1283908, 1510480, 1604885, 2567816, 3020960, 3209770, 5135632, 6419540, 10271264, 12839080, 25678160, 51356320]

約数ペア:

[(1, 51356320), (2, 25678160), (4, 12839080), (5, 10271264), (8, 6419540), (10, 5135632), (16, 3209770), (17, 3020960), (20, 2567816), (32, 1604885), (34, 1510480), (40, 1283908), (68, 755240), (79, 650080), (80, 641954), (85, 604192), (136, 377620), (158, 325040), (160, 320977), (170, 302096), (239, 214880), (272, 188810), (316, 162520), (340, 151048), (395, 130016), (478, 107440), (544, 94405), (632, 81260), (680, 75524), (790, 65008), (956, 53720), (1195, 42976), (1264, 40630), (1343, 38240), (1360, 37762), (1580, 32504), (1912, 26860), (2390, 21488), (2528, 20315), (2686, 19120), (2720, 18881), (3160, 16252), (3824, 13430), (4063, 12640), (4780, 10744), (5372, 9560), (6320, 8126), (6715, 7648)]