6442480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7321}}^1$

素因数の和:7345

約数の個数: 40

約数和(自身を含む): 16342704

約数和(自身を除く): 9900224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 7321, 14642, 29284, 36605, 58568, 73210, 80531, 117136, 146420, 161062, 292840, 322124, 402655, 585680, 644248, 805310, 1288496, 1610620, 3221240, 6442480]

約数ペア:

[(1, 6442480), (2, 3221240), (4, 1610620), (5, 1288496), (8, 805310), (10, 644248), (11, 585680), (16, 402655), (20, 322124), (22, 292840), (40, 161062), (44, 146420), (55, 117136), (80, 80531), (88, 73210), (110, 58568), (176, 36605), (220, 29284), (440, 14642), (880, 7321)]