84617440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12899}}^1$

素因数の和:12955

約数の個数: 48

約数和(自身を含む): 204800400

約数和(自身を除く): 120182960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12899, 25798, 51596, 64495, 103192, 128990, 206384, 257980, 412768, 515960, 528859, 1031920, 1057718, 2063840, 2115436, 2644295, 4230872, 5288590, 8461744, 10577180, 16923488, 21154360, 42308720, 84617440]

約数ペア:

[(1, 84617440), (2, 42308720), (4, 21154360), (5, 16923488), (8, 10577180), (10, 8461744), (16, 5288590), (20, 4230872), (32, 2644295), (40, 2115436), (41, 2063840), (80, 1057718), (82, 1031920), (160, 528859), (164, 515960), (205, 412768), (328, 257980), (410, 206384), (656, 128990), (820, 103192), (1312, 64495), (1640, 51596), (3280, 25798), (6560, 12899)]