51675220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 111234816

約数和(自身を除く): 59559596

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 241, 284, 302, 355, 482, 604, 710, 755, 964, 1205, 1420, 1510, 2410, 3020, 4820, 10721, 17111, 21442, 34222, 36391, 42884, 53605, 68444, 72782, 85555, 107210, 145564, 171110, 181955, 214420, 342220, 363910, 727820, 2583761, 5167522, 10335044, 12918805, 25837610, 51675220]

約数ペア:

[(1, 51675220), (2, 25837610), (4, 12918805), (5, 10335044), (10, 5167522), (20, 2583761), (71, 727820), (142, 363910), (151, 342220), (241, 214420), (284, 181955), (302, 171110), (355, 145564), (482, 107210), (604, 85555), (710, 72782), (755, 68444), (964, 53605), (1205, 42884), (1420, 36391), (1510, 34222), (2410, 21442), (3020, 17111), (4820, 10721)]