25959440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 65881200

約数和(自身を除く): 39921760

約数列:

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

約数ペア:

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