23777720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4339}}^1$

素因数の和:4487

約数の個数: 32

約数和(自身を含む): 53902800

約数和(自身を除く): 30125080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 4339, 5480, 8678, 17356, 21695, 34712, 43390, 86780, 173560, 594443, 1188886, 2377772, 2972215, 4755544, 5944430, 11888860, 23777720]

約数ペア:

[(1, 23777720), (2, 11888860), (4, 5944430), (5, 4755544), (8, 2972215), (10, 2377772), (20, 1188886), (40, 594443), (137, 173560), (274, 86780), (548, 43390), (685, 34712), (1096, 21695), (1370, 17356), (2740, 8678), (4339, 5480)]