51479200

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 72

約数和(自身を含む): 126671580

約数和(自身を除く): 75192380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 281, 400, 458, 562, 800, 916, 1124, 1145, 1405, 1832, 2248, 2290, 2810, 3664, 4496, 4580, 5620, 5725, 7025, 7328, 8992, 9160, 11240, 11450, 14050, 18320, 22480, 22900, 28100, 36640, 44960, 45800, 56200, 64349, 91600, 112400, 128698, 183200, 224800, 257396, 321745, 514792, 643490, 1029584, 1286980, 1608725, 2059168, 2573960, 3217450, 5147920, 6434900, 10295840, 12869800, 25739600, 51479200]

約数ペア:

[(1, 51479200), (2, 25739600), (4, 12869800), (5, 10295840), (8, 6434900), (10, 5147920), (16, 3217450), (20, 2573960), (25, 2059168), (32, 1608725), (40, 1286980), (50, 1029584), (80, 643490), (100, 514792), (160, 321745), (200, 257396), (229, 224800), (281, 183200), (400, 128698), (458, 112400), (562, 91600), (800, 64349), (916, 56200), (1124, 45800), (1145, 44960), (1405, 36640), (1832, 28100), (2248, 22900), (2290, 22480), (2810, 18320), (3664, 14050), (4496, 11450), (4580, 11240), (5620, 9160), (5725, 8992), (7025, 7328)]