51031880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 125110440

約数和(自身を除く): 74078560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 41, 58, 74, 82, 116, 145, 148, 164, 185, 205, 232, 290, 296, 328, 370, 410, 580, 740, 820, 841, 1073, 1160, 1189, 1480, 1517, 1640, 1682, 2146, 2378, 3034, 3364, 4205, 4292, 4756, 5365, 5945, 6068, 6728, 7585, 8410, 8584, 9512, 10730, 11890, 12136, 15170, 16820, 21460, 23780, 30340, 31117, 33640, 34481, 42920, 43993, 47560, 60680, 62234, 68962, 87986, 124468, 137924, 155585, 172405, 175972, 219965, 248936, 275848, 311170, 344810, 351944, 439930, 622340, 689620, 879860, 1244680, 1275797, 1379240, 1759720, 2551594, 5103188, 6378985, 10206376, 12757970, 25515940, 51031880]

約数ペア:

[(1, 51031880), (2, 25515940), (4, 12757970), (5, 10206376), (8, 6378985), (10, 5103188), (20, 2551594), (29, 1759720), (37, 1379240), (40, 1275797), (41, 1244680), (58, 879860), (74, 689620), (82, 622340), (116, 439930), (145, 351944), (148, 344810), (164, 311170), (185, 275848), (205, 248936), (232, 219965), (290, 175972), (296, 172405), (328, 155585), (370, 137924), (410, 124468), (580, 87986), (740, 68962), (820, 62234), (841, 60680), (1073, 47560), (1160, 43993), (1189, 42920), (1480, 34481), (1517, 33640), (1640, 31117), (1682, 30340), (2146, 23780), (2378, 21460), (3034, 16820), (3364, 15170), (4205, 12136), (4292, 11890), (4756, 10730), (5365, 9512), (5945, 8584), (6068, 8410), (6728, 7585)]