128990800

素因数分解:

$2^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{1931}}^1$

素因数の和:2116

約数の個数: 60

約数和(自身を含む): 311917536

約数和(自身を除く): 182926736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 167, 200, 334, 400, 668, 835, 1336, 1670, 1931, 2672, 3340, 3862, 4175, 6680, 7724, 8350, 9655, 13360, 15448, 16700, 19310, 30896, 33400, 38620, 48275, 66800, 77240, 96550, 154480, 193100, 322477, 386200, 644954, 772400, 1289908, 1612385, 2579816, 3224770, 5159632, 6449540, 8061925, 12899080, 16123850, 25798160, 32247700, 64495400, 128990800]

約数ペア:

[(1, 128990800), (2, 64495400), (4, 32247700), (5, 25798160), (8, 16123850), (10, 12899080), (16, 8061925), (20, 6449540), (25, 5159632), (40, 3224770), (50, 2579816), (80, 1612385), (100, 1289908), (167, 772400), (200, 644954), (334, 386200), (400, 322477), (668, 193100), (835, 154480), (1336, 96550), (1670, 77240), (1931, 66800), (2672, 48275), (3340, 38620), (3862, 33400), (4175, 30896), (6680, 19310), (7724, 16700), (8350, 15448), (9655, 13360)]