16225240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 39535200

約数和(自身を除く): 23309960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 577, 703, 740, 760, 1154, 1406, 1480, 2308, 2812, 2885, 3515, 4616, 5624, 5770, 7030, 10963, 11540, 14060, 21349, 21926, 23080, 28120, 42698, 43852, 54815, 85396, 87704, 106745, 109630, 170792, 213490, 219260, 405631, 426980, 438520, 811262, 853960, 1622524, 2028155, 3245048, 4056310, 8112620, 16225240]

約数ペア:

[(1, 16225240), (2, 8112620), (4, 4056310), (5, 3245048), (8, 2028155), (10, 1622524), (19, 853960), (20, 811262), (37, 438520), (38, 426980), (40, 405631), (74, 219260), (76, 213490), (95, 170792), (148, 109630), (152, 106745), (185, 87704), (190, 85396), (296, 54815), (370, 43852), (380, 42698), (577, 28120), (703, 23080), (740, 21926), (760, 21349), (1154, 14060), (1406, 11540), (1480, 10963), (2308, 7030), (2812, 5770), (2885, 5624), (3515, 4616)]