16251019240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1\times {\mathrm{7867}}^1$

素因数の和:9122

約数の個数: 64

約数和(自身を含む): 37451050560

約数和(自身を除く): 21200031320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1201, 1720, 2402, 4804, 6005, 7867, 9608, 12010, 15734, 24020, 31468, 39335, 48040, 51643, 62936, 78670, 103286, 157340, 206572, 258215, 314680, 338281, 413144, 516430, 676562, 1032860, 1353124, 1691405, 2065720, 2706248, 3382810, 6765620, 9448267, 13531240, 18896534, 37793068, 47241335, 75586136, 94482670, 188965340, 377930680, 406275481, 812550962, 1625101924, 2031377405, 3250203848, 4062754810, 8125509620, 16251019240]

約数ペア:

[(1, 16251019240), (2, 8125509620), (4, 4062754810), (5, 3250203848), (8, 2031377405), (10, 1625101924), (20, 812550962), (40, 406275481), (43, 377930680), (86, 188965340), (172, 94482670), (215, 75586136), (344, 47241335), (430, 37793068), (860, 18896534), (1201, 13531240), (1720, 9448267), (2402, 6765620), (4804, 3382810), (6005, 2706248), (7867, 2065720), (9608, 1691405), (12010, 1353124), (15734, 1032860), (24020, 676562), (31468, 516430), (39335, 413144), (48040, 338281), (51643, 314680), (62936, 258215), (78670, 206572), (103286, 157340)]