87897850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 170848440

約数和(自身を除く): 82950590

約数列:

[1, 2, 5, 10, 25, 41, 50, 53, 82, 106, 205, 265, 410, 530, 809, 1025, 1325, 1618, 2050, 2173, 2650, 4045, 4346, 8090, 10865, 20225, 21730, 33169, 40450, 42877, 54325, 66338, 85754, 108650, 165845, 214385, 331690, 428770, 829225, 1071925, 1658450, 1757957, 2143850, 3515914, 8789785, 17579570, 43948925, 87897850]

約数ペア:

[(1, 87897850), (2, 43948925), (5, 17579570), (10, 8789785), (25, 3515914), (41, 2143850), (50, 1757957), (53, 1658450), (82, 1071925), (106, 829225), (205, 428770), (265, 331690), (410, 214385), (530, 165845), (809, 108650), (1025, 85754), (1325, 66338), (1618, 54325), (2050, 42877), (2173, 40450), (2650, 33169), (4045, 21730), (4346, 20225), (8090, 10865)]