65370400

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2054

約数の個数: 72

約数和(自身を含む): 163559844

約数和(自身を除く): 98189444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 1025, 1312, 1640, 1993, 2050, 3280, 3986, 4100, 6560, 7972, 8200, 9965, 15944, 16400, 19930, 31888, 32800, 39860, 49825, 63776, 79720, 81713, 99650, 159440, 163426, 199300, 318880, 326852, 398600, 408565, 653704, 797200, 817130, 1307408, 1594400, 1634260, 2042825, 2614816, 3268520, 4085650, 6537040, 8171300, 13074080, 16342600, 32685200, 65370400]

約数ペア:

[(1, 65370400), (2, 32685200), (4, 16342600), (5, 13074080), (8, 8171300), (10, 6537040), (16, 4085650), (20, 3268520), (25, 2614816), (32, 2042825), (40, 1634260), (41, 1594400), (50, 1307408), (80, 817130), (82, 797200), (100, 653704), (160, 408565), (164, 398600), (200, 326852), (205, 318880), (328, 199300), (400, 163426), (410, 159440), (656, 99650), (800, 81713), (820, 79720), (1025, 63776), (1312, 49825), (1640, 39860), (1993, 32800), (2050, 31888), (3280, 19930), (3986, 16400), (4100, 15944), (6560, 9965), (7972, 8200)]