325931960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 754699680

約数和(自身を除く): 428767720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 353, 410, 563, 706, 820, 1126, 1412, 1640, 1765, 2252, 2815, 2824, 3530, 4504, 5630, 7060, 11260, 14120, 14473, 22520, 23083, 28946, 46166, 57892, 72365, 92332, 115415, 115784, 144730, 184664, 198739, 230830, 289460, 397478, 461660, 578920, 794956, 923320, 993695, 1589912, 1987390, 3974780, 7949560, 8148299, 16296598, 32593196, 40741495, 65186392, 81482990, 162965980, 325931960]

約数ペア:

[(1, 325931960), (2, 162965980), (4, 81482990), (5, 65186392), (8, 40741495), (10, 32593196), (20, 16296598), (40, 8148299), (41, 7949560), (82, 3974780), (164, 1987390), (205, 1589912), (328, 993695), (353, 923320), (410, 794956), (563, 578920), (706, 461660), (820, 397478), (1126, 289460), (1412, 230830), (1640, 198739), (1765, 184664), (2252, 144730), (2815, 115784), (2824, 115415), (3530, 92332), (4504, 72365), (5630, 57892), (7060, 46166), (11260, 28946), (14120, 23083), (14473, 22520)]