51947800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 126515340

約数和(自身を除く): 74567540

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 491, 529, 575, 920, 982, 1058, 1150, 1964, 2116, 2300, 2455, 2645, 3928, 4232, 4600, 4910, 5290, 9820, 10580, 11293, 12275, 13225, 19640, 21160, 22586, 24550, 26450, 45172, 49100, 52900, 56465, 90344, 98200, 105800, 112930, 225860, 259739, 282325, 451720, 519478, 564650, 1038956, 1129300, 1298695, 2077912, 2258600, 2597390, 5194780, 6493475, 10389560, 12986950, 25973900, 51947800]

約数ペア:

[(1, 51947800), (2, 25973900), (4, 12986950), (5, 10389560), (8, 6493475), (10, 5194780), (20, 2597390), (23, 2258600), (25, 2077912), (40, 1298695), (46, 1129300), (50, 1038956), (92, 564650), (100, 519478), (115, 451720), (184, 282325), (200, 259739), (230, 225860), (460, 112930), (491, 105800), (529, 98200), (575, 90344), (920, 56465), (982, 52900), (1058, 49100), (1150, 45172), (1964, 26450), (2116, 24550), (2300, 22586), (2455, 21160), (2645, 19640), (3928, 13225), (4232, 12275), (4600, 11293), (4910, 10580), (5290, 9820)]