204518480

素因数分解:

$2^4\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{1789}}^1$

素因数の和:3231

約数の個数: 40

約数和(自身を含む): 476104200

約数和(自身を除く): 271585720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1429, 1789, 2858, 3578, 5716, 7145, 7156, 8945, 11432, 14290, 14312, 17890, 22864, 28580, 28624, 35780, 57160, 71560, 114320, 143120, 2556481, 5112962, 10225924, 12782405, 20451848, 25564810, 40903696, 51129620, 102259240, 204518480]

約数ペア:

[(1, 204518480), (2, 102259240), (4, 51129620), (5, 40903696), (8, 25564810), (10, 20451848), (16, 12782405), (20, 10225924), (40, 5112962), (80, 2556481), (1429, 143120), (1789, 114320), (2858, 71560), (3578, 57160), (5716, 35780), (7145, 28624), (7156, 28580), (8945, 22864), (11432, 17890), (14290, 14312)]