51918880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:366

約数の個数: 96

約数和(自身を含む): 133887600

約数和(自身を除く): 81968720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 109, 130, 160, 208, 218, 229, 260, 416, 436, 458, 520, 545, 872, 916, 1040, 1090, 1145, 1417, 1744, 1832, 2080, 2180, 2290, 2834, 2977, 3488, 3664, 4360, 4580, 5668, 5954, 7085, 7328, 8720, 9160, 11336, 11908, 14170, 14885, 17440, 18320, 22672, 23816, 24961, 28340, 29770, 36640, 45344, 47632, 49922, 56680, 59540, 95264, 99844, 113360, 119080, 124805, 199688, 226720, 238160, 249610, 324493, 399376, 476320, 499220, 648986, 798752, 998440, 1297972, 1622465, 1996880, 2595944, 3244930, 3993760, 5191888, 6489860, 10383776, 12979720, 25959440, 51918880]

約数ペア:

[(1, 51918880), (2, 25959440), (4, 12979720), (5, 10383776), (8, 6489860), (10, 5191888), (13, 3993760), (16, 3244930), (20, 2595944), (26, 1996880), (32, 1622465), (40, 1297972), (52, 998440), (65, 798752), (80, 648986), (104, 499220), (109, 476320), (130, 399376), (160, 324493), (208, 249610), (218, 238160), (229, 226720), (260, 199688), (416, 124805), (436, 119080), (458, 113360), (520, 99844), (545, 95264), (872, 59540), (916, 56680), (1040, 49922), (1090, 47632), (1145, 45344), (1417, 36640), (1744, 29770), (1832, 28340), (2080, 24961), (2180, 23816), (2290, 22672), (2834, 18320), (2977, 17440), (3488, 14885), (3664, 14170), (4360, 11908), (4580, 11336), (5668, 9160), (5954, 8720), (7085, 7328)]