27815920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 71682912

約数和(自身を除く): 43866992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 433, 440, 584, 730, 803, 866, 880, 1168, 1460, 1606, 1732, 2165, 2920, 3212, 3464, 4015, 4330, 4763, 5840, 6424, 6928, 8030, 8660, 9526, 12848, 16060, 17320, 19052, 23815, 31609, 32120, 34640, 38104, 47630, 63218, 64240, 76208, 95260, 126436, 158045, 190520, 252872, 316090, 347699, 381040, 505744, 632180, 695398, 1264360, 1390796, 1738495, 2528720, 2781592, 3476990, 5563184, 6953980, 13907960, 27815920]

約数ペア:

[(1, 27815920), (2, 13907960), (4, 6953980), (5, 5563184), (8, 3476990), (10, 2781592), (11, 2528720), (16, 1738495), (20, 1390796), (22, 1264360), (40, 695398), (44, 632180), (55, 505744), (73, 381040), (80, 347699), (88, 316090), (110, 252872), (146, 190520), (176, 158045), (220, 126436), (292, 95260), (365, 76208), (433, 64240), (440, 63218), (584, 47630), (730, 38104), (803, 34640), (866, 32120), (880, 31609), (1168, 23815), (1460, 19052), (1606, 17320), (1732, 16060), (2165, 12848), (2920, 9526), (3212, 8660), (3464, 8030), (4015, 6928), (4330, 6424), (4763, 5840)]