51096040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 119813760

約数和(自身を除く): 68717720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 487, 488, 610, 860, 974, 1220, 1720, 1948, 2435, 2440, 2623, 3896, 4870, 5246, 9740, 10492, 13115, 19480, 20941, 20984, 26230, 29707, 41882, 52460, 59414, 83764, 104705, 104920, 118828, 148535, 167528, 209410, 237656, 297070, 418820, 594140, 837640, 1188280, 1277401, 2554802, 5109604, 6387005, 10219208, 12774010, 25548020, 51096040]

約数ペア:

[(1, 51096040), (2, 25548020), (4, 12774010), (5, 10219208), (8, 6387005), (10, 5109604), (20, 2554802), (40, 1277401), (43, 1188280), (61, 837640), (86, 594140), (122, 418820), (172, 297070), (215, 237656), (244, 209410), (305, 167528), (344, 148535), (430, 118828), (487, 104920), (488, 104705), (610, 83764), (860, 59414), (974, 52460), (1220, 41882), (1720, 29707), (1948, 26230), (2435, 20984), (2440, 20941), (2623, 19480), (3896, 13115), (4870, 10492), (5246, 9740)]