27243820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 58933728

約数和(自身を除く): 31689908

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 137, 163, 244, 274, 305, 326, 548, 610, 652, 685, 815, 1220, 1370, 1630, 2740, 3260, 8357, 9943, 16714, 19886, 22331, 33428, 39772, 41785, 44662, 49715, 83570, 89324, 99430, 111655, 167140, 198860, 223310, 446620, 1362191, 2724382, 5448764, 6810955, 13621910, 27243820]

約数ペア:

[(1, 27243820), (2, 13621910), (4, 6810955), (5, 5448764), (10, 2724382), (20, 1362191), (61, 446620), (122, 223310), (137, 198860), (163, 167140), (244, 111655), (274, 99430), (305, 89324), (326, 83570), (548, 49715), (610, 44662), (652, 41785), (685, 39772), (815, 33428), (1220, 22331), (1370, 19886), (1630, 16714), (2740, 9943), (3260, 8357)]