51389474720

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1\times {\mathrm{9433}}^1$

素因数の和:9958

約数の個数: 96

約数和(自身を含む): 123242757120

約数和(自身を除く): 71853282400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 431, 632, 790, 862, 1264, 1580, 1724, 2155, 2528, 3160, 3448, 4310, 6320, 6896, 8620, 9433, 12640, 13792, 17240, 18866, 34049, 34480, 37732, 47165, 68098, 68960, 75464, 94330, 136196, 150928, 170245, 188660, 272392, 301856, 340490, 377320, 544784, 680980, 745207, 754640, 1089568, 1361960, 1490414, 1509280, 2723920, 2980828, 3726035, 4065623, 5447840, 5961656, 7452070, 8131246, 11923312, 14904140, 16262492, 20328115, 23846624, 29808280, 32524984, 40656230, 59616560, 65049968, 81312460, 119233120, 130099936, 162624920, 321184217, 325249840, 642368434, 650499680, 1284736868, 1605921085, 2569473736, 3211842170, 5138947472, 6423684340, 10277894944, 12847368680, 25694737360, 51389474720]

約数ペア:

[(1, 51389474720), (2, 25694737360), (4, 12847368680), (5, 10277894944), (8, 6423684340), (10, 5138947472), (16, 3211842170), (20, 2569473736), (32, 1605921085), (40, 1284736868), (79, 650499680), (80, 642368434), (158, 325249840), (160, 321184217), (316, 162624920), (395, 130099936), (431, 119233120), (632, 81312460), (790, 65049968), (862, 59616560), (1264, 40656230), (1580, 32524984), (1724, 29808280), (2155, 23846624), (2528, 20328115), (3160, 16262492), (3448, 14904140), (4310, 11923312), (6320, 8131246), (6896, 7452070), (8620, 5961656), (9433, 5447840), (12640, 4065623), (13792, 3726035), (17240, 2980828), (18866, 2723920), (34049, 1509280), (34480, 1490414), (37732, 1361960), (47165, 1089568), (68098, 754640), (68960, 745207), (75464, 680980), (94330, 544784), (136196, 377320), (150928, 340490), (170245, 301856), (188660, 272392)]