80271520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71671}}^1$

素因数の和:71693

約数の個数: 48

約数和(自身を含む): 216736128

約数和(自身を除く): 136464608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71671, 143342, 286684, 358355, 501697, 573368, 716710, 1003394, 1146736, 1433420, 2006788, 2293472, 2508485, 2866840, 4013576, 5016970, 5733680, 8027152, 10033940, 11467360, 16054304, 20067880, 40135760, 80271520]

約数ペア:

[(1, 80271520), (2, 40135760), (4, 20067880), (5, 16054304), (7, 11467360), (8, 10033940), (10, 8027152), (14, 5733680), (16, 5016970), (20, 4013576), (28, 2866840), (32, 2508485), (35, 2293472), (40, 2006788), (56, 1433420), (70, 1146736), (80, 1003394), (112, 716710), (140, 573368), (160, 501697), (224, 358355), (280, 286684), (560, 143342), (1120, 71671)]