51382840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 133358400

約数和(自身を除く): 81975560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 41, 68, 76, 82, 85, 95, 97, 136, 152, 164, 170, 190, 194, 205, 323, 328, 340, 380, 388, 410, 485, 646, 680, 697, 760, 776, 779, 820, 970, 1292, 1394, 1558, 1615, 1640, 1649, 1843, 1940, 2584, 2788, 3116, 3230, 3298, 3485, 3686, 3880, 3895, 3977, 5576, 6232, 6460, 6596, 6970, 7372, 7790, 7954, 8245, 9215, 12920, 13192, 13243, 13940, 14744, 15580, 15908, 16490, 18430, 19885, 26486, 27880, 31160, 31331, 31816, 32980, 36860, 39770, 52972, 62662, 65960, 66215, 67609, 73720, 75563, 79540, 105944, 125324, 132430, 135218, 151126, 156655, 159080, 250648, 264860, 270436, 302252, 313310, 338045, 377815, 529720, 540872, 604504, 626620, 676090, 755630, 1253240, 1284571, 1352180, 1511260, 2569142, 2704360, 3022520, 5138284, 6422855, 10276568, 12845710, 25691420, 51382840]

約数ペア:

[(1, 51382840), (2, 25691420), (4, 12845710), (5, 10276568), (8, 6422855), (10, 5138284), (17, 3022520), (19, 2704360), (20, 2569142), (34, 1511260), (38, 1352180), (40, 1284571), (41, 1253240), (68, 755630), (76, 676090), (82, 626620), (85, 604504), (95, 540872), (97, 529720), (136, 377815), (152, 338045), (164, 313310), (170, 302252), (190, 270436), (194, 264860), (205, 250648), (323, 159080), (328, 156655), (340, 151126), (380, 135218), (388, 132430), (410, 125324), (485, 105944), (646, 79540), (680, 75563), (697, 73720), (760, 67609), (776, 66215), (779, 65960), (820, 62662), (970, 52972), (1292, 39770), (1394, 36860), (1558, 32980), (1615, 31816), (1640, 31331), (1649, 31160), (1843, 27880), (1940, 26486), (2584, 19885), (2788, 18430), (3116, 16490), (3230, 15908), (3298, 15580), (3485, 14744), (3686, 13940), (3880, 13243), (3895, 13192), (3977, 12920), (5576, 9215), (6232, 8245), (6460, 7954), (6596, 7790), (6970, 7372)]